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Offenhauser 3921S Oldsmobile Water Crossover SPACER ONLY 1957-’58. Sold in a pair. For use with Offenhauser part #3920. Allows 3920 to fit with Oldsmobile 371 CID engines. 1/4″ spacers should be installed between the crossover and the manifold. Gasket not provided.
Offenhauser 5197S Oldsmobile Water Crossover SPACER ONLY 1959-’66. Sold in a pair. For use with Offenhauser part #3920. Allows 3920 to fit with Oldsmobile 394 CID engines. 1/2″ spacers should be installed between the crossover and the manifold. Gasket not provided.
Linkage kit for Offenhauser 5414, 5415 and 5416 manifolds. Please note these are three separate linkages.
Offenhauser 5416 Manifold for Chevrolet 194, 230, 250, 292. Designed to accommodate stock carburetors.
Offenhauser 5416 Manifold for Chevrolet 194, 230, 250, 292. Designed to accommodate stock carburetors.
