Exhaust Manifold Elbow Riser - 18-1939 - Sierra
Price: $142.27
Save: $57.72
(28% Off $199.99)
Part # 18-1939
2nd Day Air for $2.99 More Eligible
SHIPS TODAY!* if ordered in 3 hrs 47 mins.
Hurry! Only 1 left in stock
No Reviews
This item is found in the following Product Families
Replaces OEM part #
  • BARR 20-0100
  • MARINE POWER 0992-593 Barr
For: Barr, Indmar and Marine Power Ford Small Block V8 302-351cu. in. GM Small Block V8 305-350cu. in., GM Big Block V8 454cu in

Use with:
  • Manifold: 18-1997-1, 18-1998-1 or 18-1898
  • Riser Gasket: 18-2854 open or 18-0476 blocked
  • Mounting kit: 18-4364 blocked or 18-8535 open

Have the 1976 190 omc would like a conversion kit for exhaust manifolds and a idea on what it will cost me and if possible what is included in a kit like this thank you so much?
For conversion kits you will need to contact BRP who owns OMC to see what parts are recommended to convert.

Ask a question
Question & Answer Guidelines
This product ships in 1 business day.
Add to Cart and enter your Postal Code to determine the shipping charges.
Most products and orders leave our warehouse in 1 business day. However, select items may take more processing time. Alaska and Hawaii orders please add 1 additional warehouse processing day.
Standard Shipping Policies
Do you need Professional Installation? has teamed with a national network of independent installers that are ready to handle your installation needs.
Find your local Amtech dealer: