Offenhauser 6233 1″ Offset Riser Carburetor Adapter


1″ Offset Riser “C” Series (Holley 5200)

Out of stock


1″ Offset Riser (Used in place of No. 6229 on late Courier/Mazda OHC engines where cam cover is wider than cylinder head side surface.)





Offenhauser Intakes, Manifolds, Valve Covers, Heads, and More!

White Owl Speed is the newest distributor for Offenhauser. We have exclusive merchandise and parts that have not been available for 60 years! We are constantly listing new parts and making new inventory available so make sure you check back often! Offenhauser was established in 1946 by Fred C. Offenhauser and Fran Hernandez. All of Offenhauser's parts are cast and machined in California. All Offenhauser parts are forged using a hand-carved wooden pattern at Bell foundry in South Gate, California and machined at the Offenhauser Shop In Downtown Los Angeles. Offenhauser is one of the oldest premium automotive parts manufacturers in the world operating for over 70+ years continuously.


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