Force NGK Spark Plugs

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Years

Standard Plug

Plug Gap

3 -1990 - 1994 BP6HS-10 (1)0.04
4 -1984 - 1987 B6HS 0.03
5 -1988 - 1993 BP6HS 0.03
5 -1994 - 1999 BP6HS 0.035
7.5 -1985 B6HS 0.03
9.9 -1984 - 1993 BP6HS 0.03
9.9 -1994 - 1999 BP6HS 0.035
15 -1984 - 1993 BP7HS 0.03
15 -1994 - 1999 BP7HS 0.035
25 -1996 - 1999 BP7HS 0.035
35 -1986 - 1991 B6HS-10 0.04
40 -1992 - 1993 BUHW -
40 -1994 - 1999 BUZHW -
50 -1984 - 1987 B7HS 0.03
50 w/Presolite Ign. 1988 - 1991 BUHX -
50 w/Thunderbolt Ign. 1991 - 1993 BUHW -
50 w/Thunderbolt Ign. 1994 - 1999 BUZHW -
60 -1985 BUHW -
70 w/Thunderbolt Ign. 1991 - 1995 BUHW -
75 -1996 - 1999 BUZHW -
85 -1983 - 1989 BUHX -
90 w/Presolite Ign. 1990 - 1991 BUHX -
90 w/Thunderbolt Ign. 1991 - 1993 BUHW -
90 w/Thunderbolt Ign. 1994 - 1999 BUZHW -
120 w/Presolite Ign. 1990 - 1991 BUHX -
120 w/Thunderbolt Ign. 1991 - 1993 BUHW -
120 w/Thunderbolt Ign. 1994 - 1999 BUZHW -
125 -1983 - 1989 BUHX -
150 w/Presolite Ign. 1989 - 1991 BUHX -
150 w/Thunderbolt Ign. 1991 - 1994 BUHW -

HP

Notes

Years

Standard Plug

Plug Gap

Notes:
  • (1) : Denotes Original Equipment.
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Spark Plug BPR6FS - NGK
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NGK marine spark plugs are designed to operate over a much wider heat range than ordinary plugs. Each NGK features high alumina ceramics for better heat transfer and electrical insulation. Patented triple gasket sealing process eliminates the possibility of combustion gas leakage. *They are resistant to carbon buildup and pre-ignition* Longer insulator nose prevents fouling and misfiring.* Solid copper core and nickel-tipped electrode provide a longer plug life.



Spark Plug Heat Range & Humidity Tech video

Spark Plug Heat Range & Humidity NGK Spark Plugs Tech video

Here is a great video that talks about a spark plug heat ranges and humidity.... read more



Video Transcript

Does the compression ratio affect firing in temperature? When the compression ratio increases, the amount of pressure inside the cylinder also increases. This increase results in higher cylinder temperature because of the increasing temperature `with compression, it is very important to select the proper spark plug heat range. If the heat range is too hot, pre-ignition can occur which may cause major engine damage. If heat range is too cold, the spark plug insulator mass may fuel foul.

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Spark Plug BUZHW-2 - NGK (1 per pack) (representative photo)
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EVINRUDE 1990-1986 COM 45 hp/ MERCURY ( See Also: CCW, KOHLER, HIRTH) 2001 3-cyl. 2-Stroke 75 Jet 75 hp/ MERCURY ( See Also: CCW, KOHLER, HIRTH) 2002-2001 3-cyl. 2-Stroke 65 Jet 65 hp/ MERCURY ( See Also: CCW, KOHLER, HIRTH) 2006-2001 3-cyl. 2-Stroke 75 75 hp/ MERCURY ( See Also: CCW, KOHLER, HIRTH) 2006-2001 3-cyl. 2-Stroke 90 90 hp



Spark Plug Compression Ratio Tech Video

Spark Plug Compression Ratio NGK Spark Plugs Tech Video

Here is a great video that NGK spark plug compression ratio.... read more



Video Transcript

Is the spark plug temperature affected by humidity? A spark plug operating temperature is affected by humidity and ambient air temperature. As a humidity increases or ambient air temperature entering the engine decreases, lower combustion pressure and lower cylinder temperatures are present. It is important to keep the spark plug operating at the proper temperature. Keeping the insulator clean of carbon and fuel fouling. Elements such as elevation, humidity and anti-temperature are factors that must be taken into consideration for spark plug heat range selection.

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Spark Plug DCPR8E SOLID - NGK (representative photo)
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NGK spark plugs are designed to operate over a much wider heat range than ordinary plugs. Each NGK features high alumina ceramics for better heat transfer and electrical insulation. Patented triple gasket sealing process eliminates the possibility of combustion gas leakage. * They are resistant to carbon buildup and pre-ignition * Longer insulator nose prevents fouling and misfiring * Solid copper core and nickel-tipped electrode provide a longer plug life.



Marine Spark Plugs Heat Range

Tech Video: Spark Plug Heat Ranges

Here is a great video that talks about the different heat ranges in regards to choosing the the best spark park for your application.... read more



Video Transcript

Why there are different heat ranges? It is a misconception that spark plugs create heat, this is not true. A function of the spark plug is a channel heat away from the tip of the spark plug. The length of the insulator mass determines the speed at which this is done.

A spark plug with a longer insulator mass is considered a hot heat range while shorter insulator mass is considered a cool type heat range. Selecting the correct spark plug heat range will ensure that the spark plug will reach a high enough temperature to keep the insulator mass clean. Too warm of a heat range can lead to pre-ignition or engine knocking. Too cool of a heat range can result in fuel or carbon fouling.

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Spark Plug IZFR6F11 - NGK (representative photo)
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NGK spark plugs are designed to operate over a much wider heat range than ordinary plugs. Each NGK features high alumina ceramics for better heat transfer and electrical insulation. Patented triple gasket sealing process eliminates the possibility of combustion gas leakage. * They are resistant to carbon buildup and pre-ignition * Longer insulator nose prevents fouling and misfiring * Solid copper core and nickel-tipped electrode provide a longer plug life.



Foiled Spark Plugs

Tech Video: Foiled Spark Plug

Here is a great video that talks about everything you need to know about the causes and symptoms of a fouled spark plug.... read more



Video Transcript

What is a fouled spark plug? A spark plug is considered fouled when the insulator nose at the firing tip becomes coated with a foreign substance such a fuel, oil or carbon. This coating makes it easier for the voltage to foul along the insulator nose, leak back down into the metal shell and ground out rather than bridging the gap and firing normally.

Many factors contribute to the spark plug fouling, the air fuel ration may be too rich as a result of incorrect carborator adjustment or a poorly performing fuel injection system. A clogged air intake or dirty air filter can also contribute to a rich condition. One piston rings or a valve seals may allow too much oil to leak into the combustion chamber leading to oil fouling.

The ignition system may not be performing properly, short trips prolonged idling or continuous low speed driving may keep the spark plug from reaching its optimum operating temperature. Using too cool of a spark plug can lead to the same problem. Fuel, oil and carbon fouling can all be the result of different causes but once the spark plug is fouled, it will now provide adequate voltage to the firing tip and that cylinder will not fire properly.

In many cases, the spark plug cannot be cleaned sufficiently for a certain normal operation. Therefore it is recommended that a plug be replaced once it has fouled. For more information please visit us at NGKSparkplugs.com.

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Spark Plug UR5 - NGK (representative photo)
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Type: Resistor. V-Power Plug. 14mm Thread Size. 11mm (7/16") Reach. 5/8" (16mm) Hex Size. Tapered Seat. Solid Terminal Nut. Projected Tip. V-Power (V-Grooved Centere Electrode). .040" (1.02mm) Gap. Heat Range 5.
Spark Plug shop pack, 25/box BR9HS-10 - NGK (representative photo)
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NGK spark plugs are designed to operate over a much wider heat range than ordinary plugs. Each NGK features high alumina ceramics for better heat transfer and electrical insulation. Patented triple gasket sealing process eliminates the possibility of combustion gas leakage. * They are resistant to carbon buildup and pre-ignition * Longer insulator nose prevents fouling and misfiring * Solid copper core and nickel-tipped electrode provide a longer plug life
Spark Plug DR5HS - NGK (representative photo)
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NGK spark plugs are designed to operate over a much wider heat range than ordinary plugs. Each NGK features high alumina ceramics for better heat transfer and electrical insulation. Patented triple gasket sealing process eliminates the possibility of combustion gas leakage. * They are resistant to carbon buildup and pre-ignition * Longer insulator nose prevents fouling and misfiring * Solid copper core and nickel-tipped electrode provide a longer plug life
Spark Plug BR8ES-11 - NGK
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Spark Plug BR8HS-10 - NGK (representative photo)
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Spark Plug PZFR5F-11 - NGK (representative photo)
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NGK spark plugs are designed to operate over a much wider heat range than ordinary plugs. Each NGK features high alumina ceramics for better heat transfer and electrical insulation. Patented triple gasket sealing process eliminates the possibility of combustion gas leakage. * They are resistant to carbon buildup and pre-ignition * Longer insulator nose prevents fouling and misfiring * Solid copper core and nickel-tipped electrode provide a longer plug life
Spark Plug BR10ES - NGK (representative photo)
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NGK spark plugs are designed to operate over a much wider heat range than ordinary plugs. Each NGK features high alumina ceramics for better heat transfer and electrical insulation. Patented triple gasket sealing process eliminates the possibility of combustion gas leakage. * They are resistant to carbon buildup and pre-ignition * Longer insulator nose prevents fouling and misfiring * Solid copper core and nickel-tipped electrode provide a longer plug life
Spark Plug shop pack, 25/box BUHW - NGK (representative photo)
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NGK spark plugs are designed to operate over a much wider heat range than ordinary plugs. Each NGK features high alumina ceramics for better heat transfer and electrical insulation. Patented triple gasket sealing process eliminates the possibility of combustion gas leakage. * They are resistant to carbon buildup and pre-ignition * Longer insulator nose prevents fouling and misfiring * Solid copper core and nickel-tipped electrode provide a longer plug life
Spark Plug BUZ8H - NGK (representative photo)
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Inboard MERCURY ( See Also: CCW, KOHLER, HIRTH) M2 Sport Jet 2006-2000 210 hp/ Inboard MERCURY ( See Also: CCW, KOHLER, HIRTH) Sportjet 175XR 2006-1997 175 hp/ JOHNSON 1983-1976 200 hp/ JOHNSON 1987-1977 185 hp/ JOHNSON 1987-1978 CV6 155 hp/ JOHNSON 1992 COM 200 hp/ JOHNSON 1992-1989 COM CV6 155 hp/ MERCURY ( See Also: CCW, KOHLER, HIRTH) 1988-1987 V-220 Laser 220 hp/ MERCURY ( See Also: CCW, KOHLER, HIRTH) 1997 2.0L Duece High EFI 200 hp/ MERCURY ( See Also: CCW, KOHLER, HIRTH) 2002-1989 200 XRi 200 hp
Spark Plug IZFR5G - NGK (representative photo)
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NGK spark plugs are designed to operate over a much wider heat range than ordinary plugs. Each NGK features high alumina ceramics for better heat transfer and electrical insulation. Patented triple gasket sealing process eliminates the possibility of combustion gas leakage. * They are resistant to carbon buildup and pre-ignition * Longer insulator nose prevents fouling and misfiring * Solid copper core and nickel-tipped electrode provide a longer plug life
Spark Plug B8ES - NGK (representative photo)
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NGK spark plugs are designed to operate over a much wider heat range than ordinary plugs. Each NGK features high alumina ceramics for better heat transfer and electrical insulation. Patented triple gasket sealing process eliminates the possibility of combustion gas leakage. * They are resistant to carbon buildup and pre-ignition * Longer insulator nose prevents fouling and misfiring * Solid copper core and nickel-tipped electrode provide a longer plug life
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Spark Plug B6HS-10 - NGK (representative photo)
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NGK spark plugs are designed to operate over a much wider heat range than ordinary plugs. Each NGK features high alumina ceramics for better heat transfer and electrical insulation. Patented triple gasket sealing process eliminates the possibility of combustion gas leakage. * They are resistant to carbon buildup and pre-ignition * Longer insulator nose prevents fouling and misfiring * Solid copper core and nickel-tipped electrode provide a longer plug life
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NGK spark plugs are designed to operate over a much wider heat range than ordinary plugs. Each NGK features high alumina ceramics for better heat transfer and electrical insulation. Patented triple gasket sealing process eliminates the possibility of combustion gas leakage. * They are resistant to carbon buildup and pre-ignition * Longer insulator nose prevents fouling and misfiring * Solid copper core and nickel-tipped electrode provide a longer plug life
Spark Plug BKR6EKU - NGK (representative photo)
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Spark Plug shop pack, 25/box BR6FS - NGK
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NGK spark plugs are designed to operate over a much wider heat range than ordinary plugs. Each NGK features high alumina ceramics for better heat transfer and electrical insulation. Patented triple gasket sealing process eliminates the possibility of combustion gas leakage. * They are resistant to carbon buildup and pre-ignition * Longer insulator nose prevents fouling and misfiring * Solid copper core and nickel-tipped electrode provide a longer plug life
Spark Plug BR6ES - NGK (representative photo)
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Spark Plug shop pack, 25/box BU8H - NGK (representative photo)
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NGK spark plugs are designed to operate over a much wider heat range than ordinary plugs. Each NGK features high alumina ceramics for better heat transfer and electrical insulation. Patented triple gasket sealing process eliminates the possibility of combustion gas leakage. * They are resistant to carbon buildup and pre-ignition * Longer insulator nose prevents fouling and misfiring * Solid copper core and nickel-tipped electrode provide a longer plug life
Spark Plug BUZHW - NGK (representative photo)
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NGK spark plugs are designed to operate over a much wider heat range than ordinary plugs. Each NGK features high alumina ceramics for better heat transfer and electrical insulation. Patented triple gasket sealing process eliminates the possibility of combustion gas leakage. * They are resistant to carbon buildup and pre-ignition * Longer insulator nose prevents fouling and misfiring * Solid copper core and nickel-tipped electrode provide a longer plug life
Spark Plug BUHX - NGK (representative photo)
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Spark Plug YR5 - NGK (representative photo)
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Spark Plug BR6HS - NGK (representative photo)
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NGK spark plugs are designed to operate over a much wider heat range than ordinary plugs. Each NGK features high alumina ceramics for better heat transfer and electrical insulation. Patented triple gasket sealing process eliminates the possibility of combustion gas leakage. * They are resistant to carbon buildup and pre-ignition * Longer insulator nose prevents fouling and misfiring * Solid copper core and nickel-tipped electrode provide a longer plug life
Spark Plug CR6HS - NGK (representative photo)
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NGK spark plugs are designed to operate over a much wider heat range than ordinary plugs. Each NGK features high alumina ceramics for better heat transfer and electrical insulation. Patented triple gasket sealing process eliminates the possibility of combustion gas leakage. * They are resistant to carbon buildup and pre-ignition * Longer insulator nose prevents fouling and misfiring * Solid copper core and nickel-tipped electrode provide a longer plug life
Spark Plug LFR6A-11 - NGK
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* You can depend on NGK for quality and reliability * Constructed from durable material * Features increased fuel economy and lower emission * Highly durable against electrical and chemical wear * Lowers ignition system voltage
Spark Plug LFR5A-11 - NGK (representative photo)
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NGK spark plugs are designed to operate over a much wider heat range than ordinary plugs. Each NGK features high alumina ceramics for better heat transfer and electrical insulation. Patented triple gasket sealing process eliminates the possibility of combustion gas leakage. * They are resistant to carbon buildup and pre-ignition * Longer insulator nose prevents fouling and misfiring * Solid copper core and nickel-tipped electrode provide a longer plug life
Spark Plug B7HS-10 - NGK (representative photo)
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Part # BP8H-N-10 ValueShip™ Eligible
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Priced individually
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NGK spark plugs are designed to operate over a much wider heat range than ordinary plugs. Each NGK features high alumina ceramics for better heat transfer and electrical insulation. Patented triple gasket sealing process eliminates the possibility of combustion gas leakage. * They are resistant to carbon buildup and pre-ignition * Longer insulator nose prevents fouling and misfiring * Solid copper core and nickel-tipped electrode provide a longer plug life
Spark Plug B8S - NGK (representative photo)
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Spark Plug DCPR6E - NGK (representative photo)
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NGK spark plugs are designed to operate over a much wider heat range than ordinary plugs. Each NGK features high alumina ceramics for better heat transfer and electrical insulation. Patented triple gasket sealing process eliminates the possibility of combustion gas leakage. * They are resistant to carbon buildup and pre-ignition * Longer insulator nose prevents fouling and misfiring * Solid copper core and nickel-tipped electrode provide a longer plug life
Spark Plug BPR6EFS - NGK
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NGK spark plugs are designed to operate over a much wider heat range than ordinary plugs. Each NGK features high alumina ceramics for better heat transfer and electrical insulation. Patented triple gasket sealing process eliminates the possibility of combustion gas leakage. * They are resistant to carbon buildup and pre-ignition * Longer insulator nose prevents fouling and misfiring * Solid copper core and nickel-tipped electrode provide a longer plug life
Spark Plug BZ7HS-10 - NGK
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NGK spark plugs are designed to operate over a much wider heat range than ordinary plugs. Each NGK features high alumina ceramics for better heat transfer and electrical insulation. Patented triple gasket sealing process eliminates the possibility of combustion gas leakage. * They are resistant to carbon buildup and pre-ignition * Longer insulator nose prevents fouling and misfiring * Solid copper core and nickel-tipped electrode provide a longer plug life
Spark Plug BUHW - NGK (representative photo)
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Spark Plug BR6HS-10 - NGK (representative photo)
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Spark Plug shop pack, 25/box BP8H-N-10 - NGK (representative photo)
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NGK Spark Plugs BP8H N 10 Shop Pack Box of 25 NGK spark plugs are designed to operate over a much wider heat range than ordinary plugs. They resist carbon buildup and pre ignition. Each features high alumina ceramics for better heat transfer and electrical insulation. A patented triple gasket sealing process eliminates the possibility of combustion gas leakage, and a longer insulator nose prevents fouling and misfiring. A solid copper core and its nickel tipped electrode provide a longer plus life.
Spark Plug BR8ES SOLID - NGK (representative photo)
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NGK spark plugs are designed to operate over a much wider heat range than ordinary plugs. Each NGK features high alumina ceramics for better heat transfer and electrical insulation. Patented triple gasket sealing process eliminates the possibility of combustion gas leakage. * They are resistant to carbon buildup and pre-ignition * Longer insulator nose prevents fouling and misfiring * Solid copper core and nickel-tipped electrode provide a longer plug life
Spark Plug DPR6EA-9 - NGK (representative photo)
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NGK spark plugs are designed to operate over a much wider heat range than ordinary plugs. Each NGK features high alumina ceramics for better heat transfer and electrical insulation. Patented triple gasket sealing process eliminates the possibility of combustion gas leakage. * They are resistant to carbon buildup and pre-ignition * Longer insulator nose prevents fouling and misfiring * Solid copper core and nickel-tipped electrode provide a longer plug life
Spark Plug BP7HS - NGK (representative photo)
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NGK spark plugs are designed to operate over a much wider heat range than ordinary plugs. Each NGK features high alumina ceramics for better heat transfer and electrical insulation. Patented triple gasket sealing process eliminates the possibility of combustion gas leakage. * They are resistant to carbon buildup and pre-ignition * Longer insulator nose prevents fouling and misfiring * Solid copper core and nickel-tipped electrode provide a longer plug life
Spark Plug BPZ8H-N-10 - NGK (representative photo)
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NGK spark plugs are designed to operate over a much wider heat range than ordinary plugs. Each NGK features high alumina ceramics for better heat transfer and electrical insulation. Patented triple gasket sealing process eliminates the possibility of combustion gas leakage. * They are resistant to carbon buildup and pre-ignition * Longer insulator nose prevents fouling and misfiring * Solid copper core and nickel-tipped electrode provide a longer plug life
Spark Plug BR7HS-10 - NGK (representative photo)
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NGK spark plugs are designed to operate over a much wider heat range than ordinary plugs. Each NGK features high alumina ceramics for better heat transfer and electrical insulation. Patented triple gasket sealing process eliminates the possibility of combustion gas leakage. * They are resistant to carbon buildup and pre-ignition * Longer insulator nose prevents fouling and misfiring * Solid copper core and nickel-tipped electrode provide a longer plug life
Spark Plug BUHW-2 - NGK (representative photo)
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Spark Plug shop pack, 25/box B7HS-10 - NGK (representative photo)
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NGK spark plugs are designed to operate over a much wider heat range than ordinary plugs. Each NGK features high alumina ceramics for better heat transfer and electrical insulation. Patented triple gasket sealing process eliminates the possibility of combustion gas leakage. * They are resistant to carbon buildup and pre-ignition * Longer insulator nose prevents fouling and misfiring * Solid copper core and nickel-tipped electrode provide a longer plug life
Spark Plug B8HS-10 - NGK
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Spark Plug BP8HS-15 - NGK (representative photo)
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Spark Plug B9HS-10 - NGK (representative photo)
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Spark Plug BU8H - NGK (representative photo)
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Spark Plug UR4 - NGK (representative photo)
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NGK spark plugs are designed to operate over a much wider heat range than ordinary plugs. Each NGK features high alumina ceramics for better heat transfer and electrical insulation. Patented triple gasket sealing process eliminates the possibility of combustion gas leakage. * They are resistant to carbon buildup and pre-ignition * Longer insulator nose prevents fouling and misfiring * Solid copper core and nickel-tipped electrode provide a longer plug life
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Spark Plug BR9HS-10 - NGK
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Part # BR9HS-10 ValueShip™ Eligible
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NGK spark plugs are designed to operate over a much wider heat range than ordinary plugs. Each NGK features high alumina ceramics for better heat transfer and electrical insulation. Patented triple gasket sealing process eliminates the possibility of combustion gas leakage. * They are resistant to carbon buildup and pre-ignition * Longer insulator nose prevents fouling and misfiring * Solid copper core and nickel-tipped electrode provide a longer plug life
Spark Plug shop pack, 25/box BR8HS-10 - NGK Representative Photo
Your Price: $56.20
Part # BR8HS-10 ValueShip™ Eligible
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NGK spark plugs are designed to operate over a much wider heat range than ordinary plugs. Each NGK features high alumina ceramics for better heat transfer and electrical insulation. Patented triple gasket sealing process eliminates the possibility of combustion gas leakage. * They are resistant to carbon buildup and pre-ignition * Longer insulator nose prevents fouling and misfiring * Solid copper core and nickel-tipped electrode provide a longer plug life
Spark Plug BPZ8HS - NGK (Representative Photo)
Your Price: $7.64
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Part # BPZ8HS-10 ValueShip™ Eligible
  • Sold individually not in a 4 pack.
  • NGK spark plugs are designed to operate over a much wider heat range than ordinary plugs.
  • Each NGK features high alumina ceramics for better heat transfer and electrical insulation. Patented triple gasket sealing process eliminates the possibility of combustion gas leakage.
  • They are resistant to carbon buildup and pre-ignition 
  • Longer insulator nose prevents fouling and misfiring
  • Solid copper core and nickel-tipped electrode provide a longer plug life
Your Price: $2.40
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Part # BR7ES ValueShip™ Eligible
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Your Price: $2.17
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Part # BPR8ES ValueShip™ Eligible
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NGK spark plugs are designed to operate over a much wider heat range than ordinary plugs. Each NGK features high alumina ceramics for better heat transfer and electrical insulation. Patented triple gasket sealing process eliminates the possibility of combustion gas leakage. * They are resistant to carbon buildup and pre-ignition * Longer insulator nose prevents fouling and misfiring * Solid copper core and nickel-tipped electrode provide a longer plug life
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Part # BPR6ES ValueShip™ Eligible
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NGK spark plugs are designed to operate over a much wider heat range than ordinary plugs. Each NGK features high alumina ceramics for better heat transfer and electrical insulation. Patented triple gasket sealing process eliminates the possibility of combustion gas leakage. * They are resistant to carbon buildup and pre-ignition * Longer insulator nose prevents fouling and misfiring * Solid copper core and nickel-tipped electrode provide a longer plug life
Your Price: $2.28
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Part # BPR7HS ValueShip™ Eligible
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Your Price: $2.34
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Part # BR8HS ValueShip™ Eligible
Spark Plug BUH - NGK Representative Photo
Your Price: $2.72
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Part # BUH ValueShip™ Eligible
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Spark Plug DPR8EA-9 - NGK
Your Price: $2.40
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NGK spark plugs are designed to operate over a much wider heat range than ordinary plugs. Each NGK features high alumina ceramics for better heat transfer and electrical insulation. Patented triple gasket sealing process eliminates the possibility of combustion gas leakage. * They are resistant to carbon buildup and pre-ignition * Longer insulator nose prevents fouling and misfiring * Solid copper core and nickel-tipped electrode provide a longer plug life
Spark Plug shop pack, 25/box BR8ES - NGK
Your Price: $56.20
Part # BR8ES ValueShip™ Eligible
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NGK Spark Plugs BR8ES Shop Pack Box of 25 NGK spark plugs are designed to operate over a much wider heat range than ordinary plugs. They resist carbon buildup and pre ignition. Each features high alumina ceramics for better heat transfer and electrical insulation. A patented triple gasket sealing process eliminates the possibility of combustion gas leakage, and a longer insulator nose prevents fouling and misfiring. A solid copper core and its nickel tipped electrode provide a longer plus life.
Spark Plug B7S - NGK
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Part # B7S ValueShip™ Eligible
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NGK spark plugs are designed to operate over a much wider heat range than ordinary plugs. Each NGK features high alumina ceramics for better heat transfer and electrical insulation. Patented triple gasket sealing process eliminates the possibility of combustion gas leakage. * They are resistant to carbon buildup and pre-ignition * Longer insulator nose prevents fouling and misfiring * Solid copper core and nickel-tipped electrode provide a longer plug life
Spark Plug B6HS - NGK Representative Photo
Your Price: $2.17
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Part # B6HS ValueShip™ Eligible
NGK spark plugs are designed to operate over a much wider heat range than ordinary plugs. Each NGK features high alumina ceramics for better heat transfer and electrical insulation. Patented triple gasket sealing process eliminates the possibility of combustion gas leakage. * They are resistant to carbon buildup and pre-ignition * Longer insulator nose prevents fouling and misfiring * Solid copper core and nickel-tipped electrode provide a longer plug life
Spark Plug BP8HS-10 - NGK
Your Price: $2.25
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Part # BP8HS-10 ValueShip™ Eligible
NGK spark plugs are designed to operate over a much wider heat range than ordinary plugs. Each NGK features high alumina ceramics for better heat transfer and electrical insulation. Patented triple gasket sealing process eliminates the possibility of combustion gas leakage. * They are resistant to carbon buildup and pre-ignition * Longer insulator nose prevents fouling and misfiring * Solid copper core and nickel-tipped electrode provide a longer plug life
Your Price: $2.34
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Part # DPR6EB-9 ValueShip™ Eligible
NGK spark plugs are designed to operate over a much wider heat range than ordinary plugs. Each NGK features high alumina ceramics for better heat transfer and electrical insulation. Patented triple gasket sealing process eliminates the possibility of combustion gas leakage. * They are resistant to carbon buildup and pre-ignition * Longer insulator nose prevents fouling and misfiring * Solid copper core and nickel-tipped electrode provide a longer plug life
Spark Plug BR6FS - NGK Representative Photo
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Part # BR6FS ValueShip™ Eligible
Spark Plug BPR7HS-10 - NGK
Your Price: $2.28
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Part # BPR7HS-10 ValueShip™ Eligible
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NGK spark plugs are designed to operate over a much wider heat range than ordinary plugs. Each NGK features high alumina ceramics for better heat transfer and electrical insulation. Patented triple gasket sealing process eliminates the possibility of combustion gas leakage. * They are resistant to carbon buildup and pre-ignition * Longer insulator nose prevents fouling and misfiring * Solid copper core and nickel-tipped electrode provide a longer plug life
Spark Plug BUHXW-1 - NGK
Your Price: $2.94
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Part # BUHXW-1 ValueShip™ Eligible
Traditional Spark Plug
  • 14mm Thread Size
  • 12.7mm (1/2") Reach
Spark Plug BR9ECS SOLID - NGK Representative Photo
Your Price: $6.20
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Part # BR9ECS-5 ValueShip™ Eligible
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Part # BR9EYA ValueShip™ Eligible
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NGK spark plugs are designed to operate over a much wider heat range than ordinary plugs. Each NGK features high alumina ceramics for better heat transfer and electrical insulation. Patented triple gasket sealing process eliminates the possibility of combustion gas leakage. * They are resistant to carbon buildup and pre-ignition * Longer insulator nose prevents fouling and misfiring * Solid copper core and nickel-tipped electrode provide a longer plug life
Spark Plug B6S - NGK
Your Price: $2.06
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Part # B6S ValueShip™ Eligible
Traditional Spark Plug
  • 14mm Thread Size
  • 9.5mm (3/8") Reach
  • 13/16" (20.6mm) Hex Size
Your Price: $2.28
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Part # BP7HS-10 ValueShip™ Eligible
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Part # BR7HS ValueShip™ Eligible
Spark Plug shop pack, 25/box B8HS-10 - NGK Representative Photo
Your Price: $51.61
Part # B8HS-10 ValueShip™ Eligible
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NGK spark plugs are designed to operate over a much wider heat range than ordinary plugs. Each NGK features high alumina ceramics for better heat transfer and electrical insulation. Patented triple gasket sealing process eliminates the possibility of combustion gas leakage. * They are resistant to carbon buildup and pre-ignition * Longer insulator nose prevents fouling and misfiring * Solid copper core and nickel-tipped electrode provide a longer plug life
Spark Plug BKR7EKU - NGK
Your Price: $6.21
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Part # BKR7EKU ValueShip™ Eligible
Multi-Ground Plug
  • 14mm Thread Size
  • 19mm (3/4") Reach
  • 5/8" (16mm) Hex Size
Spark Plug BR9ES SOLID - NGK
Your Price: $2.41
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Part # BR9ES ValueShip™ Eligible
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Traditional Spark Plug
  • 14mm Thread Size
  • 19mm (3/4") Reach
  • 13/16" (20.6mm) Hex Size
Your Price: $71.75
Part # BUHW-2 ValueShip™ Eligible
NGK spark plugs are designed to operate over a much wider heat range than ordinary plugs. Each NGK features high alumina ceramics for better heat transfer and electrical insulation. Patented triple gasket sealing process eliminates the possibility of combustion gas leakage. * They are resistant to carbon buildup and pre-ignition * Longer insulator nose prevents fouling and misfiring * Solid copper core and nickel-tipped electrode provide a longer plug life
Spark Plug DR6HS - NGK
Your Price: $2.34
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Part # DR6HS ValueShip™ Eligible
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NGK spark plugs are designed to operate over a much wider heat range than ordinary plugs. Each NGK features high alumina ceramics for better heat transfer and electrical insulation. Patented triple gasket sealing process eliminates the possibility of combustion gas leakage. * They are resistant to carbon buildup and pre-ignition * Longer insulator nose prevents fouling and misfiring * Solid copper core and nickel-tipped electrode provide a longer plug life
Your Price: $2.17
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(54% Off $4.77)
Part # BPR7ES ValueShip™ Eligible
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NGK spark plugs are designed to operate over a much wider heat range than ordinary plugs. Each NGK features high alumina ceramics for better heat transfer and electrical insulation. Patented triple gasket sealing process eliminates the possibility of combustion gas leakage. * They are resistant to carbon buildup and pre-ignition * Longer insulator nose prevents fouling and misfiring * Solid copper core and nickel-tipped electrode provide a longer plug life
Spark Plug DR7EA - NGK
Your Price: $2.40
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Part # DR7EA ValueShip™ Eligible
NGK spark plugs are designed to operate over a much wider heat range than ordinary plugs. Each NGK features high alumina ceramics for better heat transfer and electrical insulation. Patented triple gasket sealing process eliminates the possibility of combustion gas leakage. * They are resistant to carbon buildup and pre-ignition * Longer insulator nose prevents fouling and misfiring * Solid copper core and nickel-tipped electrode provide a longer plug life
Your Price: $2.06
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Part # BPR6HS-10 ValueShip™ Eligible
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NGK spark plugs are designed to operate over a much wider heat range than ordinary plugs. Each NGK features high alumina ceramics for better heat transfer and electrical insulation. Patented triple gasket sealing process eliminates the possibility of combustion gas leakage. * They are resistant to carbon buildup and pre-ignition * Longer insulator nose prevents fouling and misfiring * Solid copper core and nickel-tipped electrode provide a longer plug life
NGK Spark Plugs-Spark Plug - NGK
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Part # IZFR6N-E ValueShip™ Eligible
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NGK spark plugs are designed to operate over a much wider heat range than ordinary plugs. Each NGK features high alumina ceramics for better heat transfer and electrical insulation. Patented triple gasket sealing process eliminates the possibility of combustion gas leakage. * They are resistant to carbon buildup and pre-ignition * Longer insulator nose prevents fouling and misfiring * Solid copper core and nickel-tipped electrode provide a longer plug life
NGK
Average Customer Review for NGK BPR6FS Spark Plug
Full StarFull StarFull StarFull StarEmpty Star Based On 4 Reviews | Write Review
Full StarFull StarFull StarFull StarFull StarGreat Plugs
by Paul from Mason, Michigan on September 08, 2015
Perfect match, fast shipping, got my motors running. Extremely satisfied!
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Full StarEmpty StarEmpty StarEmpty StarEmpty StarReceived wrong product!
by Matthew from Rochester, New Hampshire on May 26, 2015
Shipped wrong item!
(1 of 1 people found this review helpful)
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Full StarFull StarFull StarFull StarFull StarGood Spark
by Scott from St Charles, Missouri on June 21, 2014
Boat was getting weak spark, and these new plugs got it going on the first crank. Very quick shipping
(2 of 2 people found this review helpful)
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Full StarFull StarFull StarFull StarFull StarGreat plugs
by William from Cincinnati, Ohio on September 25, 2012
Always have great results with these plugs.
(2 of 2 people found this review helpful)
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Average Customer Review for NGK BUZHW-2 Spark Plug
Full StarFull StarFull StarFull StarHalf Star Based On 2 Reviews | Write Review
Full StarFull StarFull StarFull StarFull Starnkg plugs
by James from Parker, South Dakota on July 11, 2015
Good replacement for original plugs but resistor type plugs.Work great and received quickly.
(1 of 1 people found this review helpful)
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Full StarFull StarFull StarFull StarEmpty StarNGK plugs
by Leon from Harrison, Arkansas on April 14, 2015
I have only run these on hose,so, it is hsrd to say how they perform. I have always used NGK plugs and they are the best choice for mercury outboards.
(1 of 1 people found this review helpful)
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Average Customer Review for NGK BR8ES-11 Spark Plug
Full StarFull StarFull StarFull StarFull Star Based On 1 Review | Write Review
Full StarFull StarFull StarFull StarFull StarSeadoo 2 Stroke
by Adam from Bowling Green, Kentucky on January 23, 2014
Perfect, use nothing else for 2 stroke seadoos.
(2 of 2 people found this review helpful)
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Average Customer Review for NGK BR8HS-10 Spark Plug
Full StarFull StarFull StarFull StarFull Star Based On 3 Reviews | Write Review
Full StarFull StarFull StarFull StarFull Staroutboad motor spark plugs
by Bob from Grove, Oklahoma on July 12, 2015
These plugs work great and were as described in the online add.
(2 of 2 people found this review helpful)
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Full StarFull StarFull StarFull StarFull StarNice item
by Yosvany from Fort Myers, Florida on July 02, 2015
Very fast shipping thank u
(1 of 2 people found this review helpful)
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Full StarFull StarFull StarFull StarFull StarSpark plugs for yamaha ob
by Randy from Ft. Yukon, Alaska on August 27, 2014
Great price.
(1 of 1 people found this review helpful)
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Average Customer Review for NGK IZFR5G Spark Plug
Full StarFull StarFull StarFull StarFull Star Based On 1 Review | Write Review
Full StarFull StarFull StarFull StarFull StarBest pricing on the Net....Delivered quickly, On time...Easy purchase
by Michael from Quakertown, Pennsylvania on August 22, 2015
Exact Merc replacement
(1 of 1 people found this review helpful)
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Average Customer Review for NGK B8ES Spark Plug
Full StarFull StarFull StarFull StarFull Star Based On 1 Review | Write Review
Full StarFull StarFull StarFull StarFull StarTriumph 750 twin
by Joseph from Carmel, New York on August 08, 2015
Did my research and so far 1000 miles on them and as good anything I've used over many years, didn't break the bank to buy them either.
(1 of 1 people found this review helpful)
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Average Customer Review for NGK BKR6EKU Spark Plug
Full StarFull StarFull StarFull StarFull Star Based On 1 Review | Write Review
Full StarFull StarFull StarFull StarFull StarNGK sparkplugs
by Doug from Bonney Lake, Washington on July 20, 2015
Exactly as ordered. Great price.
(1 of 1 people found this review helpful)
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Average Customer Review for Pack of 25 NGK BU8H Spark Plugs
Full StarFull StarFull StarFull StarFull Star Based On 1 Review | Write Review
Full StarFull StarFull StarFull StarFull StarGreat price
by Eugene from Hudson, Ohio on September 23, 2015
Great price I have enough for the next tuneup
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Average Customer Review for NGK BUHX Spark Plug
Full StarFull StarFull StarFull StarFull Star Based On 1 Review | Write Review
Full StarFull StarFull StarFull StarFull StarOlder Motor
by Bruce from Inverness, Florida on September 02, 2011
This is a 22 year old motor that I paid $250. for, its running like new, the NGKs had alot to do with that I'm out in the Gulf every weekend. I am totally satisfied. Thaks Bruce
(4 of 6 people found this review helpful)
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Average Customer Review for NGK LFR5A-11 Spark Plug
Full StarFull StarFull StarFull StarFull Star Based On 3 Reviews | Write Review
Full StarFull StarFull StarFull StarFull StarGood plugs and price
by Gene from North Bonneville, Washington on May 15, 2015
I was please to find quality plugs for my 9.9 hp motor at such a reasonable price.
(1 of 1 people found this review helpful)
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Full StarFull StarFull StarFull StarFull StarExcellent Purchase Product Price
by Michael from Titusville, Florida on November 29, 2014
All is good. Boat runs so much better on these new plugs I am ordering a spare set.
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Full StarFull StarFull StarFull StarFull StarSpark plugs
by Jerry from Heathsville, Virginia on May 26, 2014
The boat runs like new again
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Average Customer Review for NGK BP8H-N-10 Spark Plug
Full StarFull StarFull StarFull StarFull Star Based On 7 Reviews | Write Review
Full StarFull StarFull StarFull StarFull StarGreat price and great delivery
by Edward from Milford, Delaware on January 11, 2016
Very well pleased with iboats purchasing
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Full StarFull StarFull StarFull StarFull StarGreat price
by Howard from Florence, Texas on August 02, 2015
Shopped around and iboats had the best price.
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Full StarFull StarFull StarFull StarFull StarGood plugs
by Nick from Des Plaines, Illinois on June 05, 2015
Worked great. This is my second pair. Last set lasted me a few seasons
(1 of 1 people found this review helpful)
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Full StarFull StarFull StarFull StarFull StarThe cheapest plugs you can find online!
by Romeo from Oak Harbor, Washington on July 10, 2014
No gapping required unless you wanted to. Fast shipping too!
(2 of 2 people found this review helpful)
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Full StarFull StarFull StarFull StarFull StarNGK spark plugs
by George from Fremont, Nebraska on April 14, 2014
the spark plugs were the correct one. They work great.
(4 of 4 people found this review helpful)
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Full StarFull StarFull StarFull StarFull StarAs advertised
by Randy from Vernon, Alabama on August 31, 2012
Quick delivery
(3 of 3 people found this review helpful)
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Full StarFull StarFull StarFull StarFull StarSeems to run better
by Randall from Buckhannon, West Virginia on August 30, 2011
Seems to run better-more peppy than the Champion's
(6 of 6 people found this review helpful)
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Average Customer Review for NGK CR9EB Spark Plug
Full StarFull StarFull StarFull StarFull Star Based On 1 Review | Write Review
Full StarFull StarFull StarFull StarFull StarSpark Plug CR9EB - NGK
by Solomon from Las Vegas, Nevada on June 17, 2014
Ordered 4 and was shipped quickly, no problems with the seller! !
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Average Customer Review for NGK DCPR6E Spark Plug
Full StarFull StarFull StarFull StarFull Star Based On 1 Review | Write Review
Full StarFull StarFull StarFull StarFull StarGreat Product!
by Kate from Plymouth, Massachusetts on April 29, 2015
Great Product. Perfect for my 5hp 4 Stroke Outboard. Previous NGK lasted 100 hours.
(1 of 1 people found this review helpful)
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Average Customer Review for NGK BPR6EFS Spark Plug
Full StarFull StarFull StarFull StarFull Star Based On 1 Review | Write Review
Full StarFull StarFull StarFull StarFull StarGreat Plugs
by Todd from Rutledge, Tennessee on August 24, 2012
Excellent plugs. I have had no problems.
(2 of 2 people found this review helpful)
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Average Customer Review for NGK BZ7HS-10 Spark Plug
Full StarFull StarFull StarFull StarFull Star Based On 4 Reviews | Write Review
Full StarFull StarFull StarFull StarFull StarHard to find spark plugs for marine application
by James from Turner, Maine on July 31, 2015
good to find as I was not able to find these spark plugs locally and I had one of three misfiring in my outboard motor. Makes for a slow return to shore. :)
(1 of 1 people found this review helpful)
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Full StarFull StarFull StarFull StarFull Stareasy
by Michael from Champaign, Illinois on July 09, 2014
Easy ordering, fast delivery
(1 of 1 people found this review helpful)
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Full StarFull StarFull StarFull StarFull StarNice Plug for 35 HP Seahorse
by Edward from Avoca, Pennsylvania on August 23, 2012
To me, any plug is better than a champ. Motor starts right up and has complete fuel burn. Runs and idles smoother with these plugs.
(1 of 1 people found this review helpful)
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Full StarFull StarFull StarFull StarFull StarGreat Service
by Roland from Hayes Center, Nebraska on September 18, 2011
Great service wiil order again
(3 of 3 people found this review helpful)
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Average Customer Review for NGK BUHW Spark Plug
Full StarFull StarFull StarFull StarEmpty Star Based On 11 Reviews | Write Review
Full StarFull StarFull StarFull StarFull StarFixed my problem
by Daniel from Fairplay, Maryland on September 29, 2015
We were on the river with a stranded boat and had to be towed to the dock. I ordered these plugs and when they arrived (very quickly) I installed them and went back to teh river. What a difference. The motor ran great and we are very happy with these plugs.
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Full StarFull StarFull StarFull StarEmpty StarFit on my 1991 force 70hp
by Derrick from Beulah, North Dakota on July 20, 2015
the right plugs for the right price and were available and shipped fast
(1 of 1 people found this review helpful)
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Full StarFull StarFull StarFull StarFull StarGreat price for hard to find plugs.
by Renard from Vashon, Washington on May 19, 2015
Ibooats did not include a tiny packet of anti seize. I had to run to the parts store for that. Seems like a easy way to make a happy customer. But the candy bar they did throw in was good.
(0 of 1 people found this review helpful)
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Full StarFull StarFull StarFull StarEmpty StarNGK BUHW spark plugs
by Philip from Sunnyvale, California on May 05, 2015
The proper plug for my 1985 90HP Merc at a price that cant be beat.
(1 of 1 people found this review helpful)
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Full StarFull StarFull StarFull StarFull StarBUHW spark plugs for 1996 Force 40 hp
by Jeffrey from West Lafayette, Indiana on April 27, 2015
Took the boat out for the first time after replacing the Champion plugs I have always ran with NGK's. Wow!!! Could not believe there could be that much difference in performance. Engine started on idle and kept running every time. Purred like kitten at WOT! NGK's from now on for me!!
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Full StarFull StarFull StarFull StarFull StarBUHW SPARK PLUG
by Walter from Goldsbro, North Carolina on September 07, 2014
GREAT PLUGS. WORKS WELL WITH MY 70 HP FORCE OUTBOARD BOAT ENGINE.
(0 of 1 people found this review helpful)
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Full StarFull StarFull StarFull StarFull Starvery good
by Richard from Cohasset, Minnesota on September 06, 2014
shipped fast ans was up and running again
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Full StarFull StarFull StarEmpty StarEmpty Starflood out
by Donald from Boaz, Alabama on May 04, 2013
they flood out to easy
(2 of 2 people found this review helpful)
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Full StarFull StarFull StarFull StarFull StarGood Plugs
by Andrew from Nevada, Iowa on July 02, 2012
These were the reccomended plugs in my '74 Merc 650. I am an auto mechanic and always used NGK plugs in cars, now I use them in my boat. Good quality, and engine runs great.
(3 of 3 people found this review helpful)
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Full StarEmpty StarEmpty StarEmpty StarEmpty StarGreat plugs
by Willie from Moweaqua, Illinois on May 06, 2012
Run real smooth.
(2 of 5 people found this review helpful)
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Full StarFull StarFull StarFull StarFull StarTHE RIGHT PRICE
by Gary from Albia, Iowa on January 18, 2012
The plugs worked great.Thanks for the fast service.
(3 of 3 people found this review helpful)
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Average Customer Review for NGK BR8ES Solid Spark Plug
Full StarFull StarFull StarFull StarFull Star Based On 1 Review | Write Review
Full StarFull StarFull StarFull StarFull StarExcellent spark Plugs.
by Manuel from Selma, Texas on September 20, 2015
I only use the Best cause when I fly there is no second chances.
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Average Customer Review for NGK DPR6EA-9 Spark Plug
Full StarFull StarFull StarFull StarFull Star Based On 1 Review | Write Review
Full StarFull StarFull StarFull StarFull StarSpark Plug DPR6EA-9 NGK
by Clay from Fruitvale, British Columbia on May 24, 2015
Good plugs, no trouble starting since I changed them:)
(1 of 2 people found this review helpful)
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Average Customer Review for NGK BP7HS Spark Plug
Full StarFull StarFull StarFull StarFull Star Based On 1 Review | Write Review
Full StarFull StarFull StarFull StarFull Stargreat
by Fred from Salem, Massachusetts on August 06, 2015
Great price and quick delivery !
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Average Customer Review for NGK BPZ8H-N-10 Spark Plug
Full StarFull StarFull StarFull StarHalf Star Based On 3 Reviews | Write Review
Full StarFull StarFull StarFull StarFull StarGreat product
by Brandon from Pottsville, Pennsylvania on September 28, 2015
After a lot of searching locally and on the Internet cheapest price around
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Full StarFull StarFull StarFull StarEmpty Starprevious review
by Lester from Colorado Springs, Colorado on August 21, 2014
I wrote a review about the motor repair manual i bought from iboats thumbs down and never received a response its been over a week ago
(0 of 3 people found this review helpful)
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Full StarFull StarFull StarFull StarFull StarExcellent site
by Tim from Crawfordsville, Indiana on May 05, 2014
The iboats.com site is user friendly and clearly show which equipment their product is designed to fit. Additionally, my order arrived on time and was well packaged to eliminate shipping damage. I will use the iboats.com site for any future needs I have to maintain my boat.
(2 of 3 people found this review helpful)
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Average Customer Review for NGK BUHW-2 Spark Plug
Full StarFull StarFull StarFull StarFull Star Based On 3 Reviews | Write Review
Full StarFull StarFull StarFull StarFull StarGreat Product
by David from Dighton, Kansas on May 12, 2013
Your service is prompt as usual, always get what I order. Thanks
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Full StarFull StarFull StarFull StarFull StarNGK spark plug
by Robert from Harrodsburg, Kentucky on March 22, 2013
Item works as expected.
(1 of 1 people found this review helpful)
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Full StarFull StarFull StarFull StarFull Stargood plugs
by Russell from Maryland Heights, Missouri on September 19, 2011
ok
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Average Customer Review for NGK B8HS-10 Spark Plug
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Full StarFull StarFull StarFull StarFull Starcheapest ive found
by John from Savannah, Georgia on June 27, 2011
these where the lowest price ive found compare at 8 bux each at your local parts house this was a great price!!
(3 of 3 people found this review helpful)
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Average Customer Review for NGK B7HS Spark Plug
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Full StarFull StarFull StarFull StarFull StarSpark plug
by Richard from Racine, Wisconsin on August 12, 2012
What can I say? IT sparks!! It is the same brand that my boat mechanic prefers to use. So I'm glad iboats offers it too.
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Q:
What's the difference between a buzhw and a buhw spark plug?
A:
The BUZHW is a non-resistor plug, and the BUHW is a resistor plug. That is the only difference between the two.
Q:
120 hp force engine plug?????
A:
It depends on the year and the ignition system you have (thunderbolt or prestolite). So call us at the number at the top of the page with that info and we can match up correct spark plug.
Q:
Gap setting for mercury outboard?
A:
Gap on this spark plug is 0.040. If you need assistance finding the right plug give us a call at 1-800-914-1123.
Q:
I have a 2007 mercury 225 verado. Are these the right plugs?
A:
No, these are not the plugs NGK recommends for you. The spark Plugs for: "2011-2004 MERCURY 225 Verado 225 hp / 2.6L 6-cyl. 4-stroke, Supercharged" are: Part Number ILFR6G-E or Stock Number 4212.
Q:
Looking for the right plugs for a 2013 mercury 150 4 strke?
A:
NGK does not have a spark plug for the 2013 Mercury engines.
Q:
Plugs fit 1990 Johnson 150?
A:
BZ7HS-10 is the part number for a 150hp, 1990, V6 Johnson.
Q:
Which is the best spark plug to purchase for a 2005 90 HP Yamaha 2-stroke outboard engine and are the plugs gapped properly?
A:
This is the correct spark plug for your motor. The gap is .039 and is gapped properly for your motor. This is the recommendation directly from NGK.
Q:
What is the gap?
A:
.051"
Q:
What's the difference between BR7HS and BR7HS-10?
A:
There really is no difference between the two apart from packaging details.
Q:
Are the se the same as ngk bpz8hn10?
A:
No it is not. Here is the part number you requested: http://www.iboats.com/BPZ8HN10-NGK/dm/view_id.66838
Q:
What is the gap setting on a BUHX plug for use in an 85hp Force Outboard?
A:
This spark plug has a non-adjustable gap setting of 30,000.
Q:
What is the gap for the yamaha z150 hpdi?
A:
This is a multiply ground electrode application, so NGK recommends that this not be used in a plug gap setting.
Q:
Is the BKR6EKU the plug I should use as the replacement for an OEM of BKR6E?
A:
It appears the BKR6E is still an active part number, we just don't have it listed. We can only match up the spark plug by knowing your engine application. Contact us at the number at the top of the page for further assistance.
Q:
My engine calls for a 43T plug will these work on my 228 mercruiser? The tips on the plugs i pulled out are extended her out than the yr5 that has a shorter tip?
A:
Well the photos are representative photos from NGK. According to NGK's spark plug finder the YR5 is called for the 228 engine. So this is the correct one for your engine.
Q:
Dont you sell these sparkplug individually. I only need 4.?
A:
Yes we do: http://www.iboats.com/Spark-Plug-BUHW-2-NGK/dm/view_id.167049
Q:
Do these plugs have resistor?
A:
This is a non-resistor plug.
Q:
Is br6hs equivalent with same gap?
A:
They both have a .03 gap, but we cannot assure that they are equivalent as they are called for different models. Best thing to do is identify the NGK recommended spark plug by motor. If you need assistance give us a call at 1-800-914-1123.
Q:
Is this spark plug a cross reference to Champion QC12PEP?
A:
We don't exactly have a cross reference sheet between the manufacturer's, but that doesn't look like it cross references. The way we can match it up is by giving us the make, model, year of the motor. If you have further questions you can call us at 1-800-914-1123.
Q:
Can you tell me if one brand plug is better than the other -champion or ngk?
A:
We don't have a recommendation over another. Both offer similar performance. If you have further questions contact us at the number at the top of the page.
Q:
How many plugs come in a box, 2 or 3?
A:
Sold individually.
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