Offenhauser 5317 1959-1963 Oldsmobile Oil bypass plate
$48.0059-63 Olds bypass plate Offy part # 5317
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59-63 Olds bypass plate Offy part # 5317

Big Carb Adapter – Chevy Corvair to 48 Carb Adapter to allow installation of 4 bolt two throat carbs or larger Rochester 2GC type on present cylinder heads. BE SURE to specify type carbs to be used when ordering. Sold as a pair.

Offenhauser 5405 Rambler Dual manifold. For use with stock carburetors. Fits 1956-1964 Cast Iron 6.0 HV cylinder engine.

332-352-360-390-406-427-428 Ford Manifold.
Shipping Wt. 29 lbs. Low profile. Drilled for AFB and Holley carburetors. Produce more horses.


Offenhauser 5408F – Foam Breather Filter For Breathers 5408, 5409, 5410, and 6156. This product is sold individually.

Offenhauser 5408G Breather Gasket. For use with all Offenhauser Breathers except for the 3661 JR.

Offenhauser 5408T Breather Top. Fits all Offenhauser breathers with the exception of the JR breather. Polished. Available with the Offenhauser logo or without – please specify. Screws Included.



Now available in two versions:
– 5412 – Polished finish
– 5412 NP – Non-polished version, perfect for custom paint or coatings

The Offenhauser 5413 Carb Adapter accepts quad adaption B or C on 4 bolt adaption C base.
FREE SHIPPING for orders over $100.00!