Offenhauser 5904 Tunnel Ram Base Big Block Chevy
$683.00This is the BASE for a tunnel ram for a Big Block Chevy. Aluminum. Gaskets sold separately. 5409G/6161G
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This is the BASE for a tunnel ram for a Big Block Chevy. Aluminum. Gaskets sold separately. 5409G/6161G
Gaskets for Offenhauser 5908G, 5911G, 5944G and 5971G. Gaskets for Turbo-Thrust manifolds. Fits between bottom and top castings. Sold in pairs.
Competition Manifold Chrysler 413-440 BASE ONLY
Gaskets made by Offenhauser to go between the base and top of their tunnel ram manifolds for small block chevy, small block Ford, Boss 302 Ford, Cleveland Ford, small block Mopar 340, 360 cu. in. and Oldsmobile big block 400, 425, and 455 cu. in. This pr. of gaskets will fit any of these Offy…
Offenhauser 5915 Dual Quad Top. Use Holley carbs only. For Ford 289-302.
Photo represents multiple applications. Please contact us directly for more information regarding available bases.
Ford Turbo Thrust Power Port Manifold 289-302 Single Quad Top
Offenhauser Engine Adapter for ’49-’64 Ford and Mercury V8 to Jeep or Scout Transmission.
Part #5920
Pilot Brushing and Transmission Gasket Included
Turbo Thrust Power Port Manifold Chevy 283-400 Single Quad Top
Offenhauser 5923 Dual Quad Top for Holley carbs on a 5921 base.
Carb Adapter Fits AFB carb onto Holley 4500 manifold. Carburetor Bolt Pattern:4-bolt (5 3/8 in. x 5 3/8 in.) Manifold Mounting Flange:Spread bore 4-barrel Manifold Bolt Pattern:4-bolt (5 5/8 in. x 4 1/4 in.)