Offenhauser 5923 Chevy 283-400 Tunnel Ram Dual Quad Top
$329.00Offenhauser 5923 Dual Quad Top for Holley carbs on a 5921 base.
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Offenhauser 5923 Dual Quad Top for Holley carbs on a 5921 base.

Turbo Thrust Power Port Manifold Ford Cleveland 351 (Boss) Single Quad top

Offenhauser 5934 Ford 302 Tunnel Ram Power Port Manifold Dual Quad Top For use with 5931 Base. For gasket use 5931G.

Offenhauser 5938 Ford 351 Cleveland Tunnel Ram Dual Quad Top For use with 5935 Base. For Gaskets see 5935G

Offenhauser 5943 Chrysler 340-360 Power Port Tunnel Ram Dual Quad Top

Offenhauser 5947 Chrysler 426 Hemi Tunnel Ram Dual Quad Top For use with Base 5944. For gasket use 5944G. A whole series of COMPETITION Manifolds designed to suit your particular needs. Tested and proven to out perform other so-called top performers, these combinations appeal to not only the professional, but also to those who demand…

5974 – Ford 429/460 Cobra 71 & Later Dual Quad Top competition manifold A whole series of COMPETITION Manifolds designed to suit your particular needs. Tested and proven to outperform other so-called top performers, these combinations appeal to not only the professional, but also to those who demand the finest performance products that can be…


6084 – Oldsmobile Dual Spread bore T.Q. Top. Oldsmobile 400-455

Offenhauser 6162 Chevy 396-454 (Oval Port) Tunnel Ram Single Quad Top Chevy Big Block Tunnel Ram Top.