Exhaust Manifold With Mounting Package - 18-1954-1 - Sierra
Price: $503.24
Save: $10.75
(2% Off $513.99)
Part # 18-1954-1
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This item is found in the following Product Families
Replaces OEM part #
Fits most late Model 2.5L 153 CID & 3.0L 181 CID with Rochester Carb w/ electrical choke, 5 BOLT PATTERN (1983-89)
Supplied with Mounting Package
Use with:
    Exhaust Manifold Gasket: 18-1204
    End Plate: 18-4009
Mounting Hardware: 18-8549
Does Sierra 18-1954-1 manifold carburetor mounting have a 2inch x 3ans 11/16 th 4 hole pattern And not a five like in your description.?
No Sierra lists this as a 5 hole pattern.

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