Offenhauser 5904 Tunnel Ram Base Big Block Chevy
$683.00This is the BASE for a tunnel ram for a Big Block Chevy. [Large Rect. Port] Aluminum. Gaskets sold separately. 5409G/6161G
Showing 205–216 of 292 results
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Offenhauser 5904G/6161G Manifold Gaskets (Pair)
$29.00Manifold Gasket for Offenhauser BBC Tunnel Rams. Sold in pairs. 5904G for Chevy 396-454 Large Rectangular Port 6161G for Chevy 396-454 Oval Port Gasket goes in-between tunnel ram top and base.
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Offenhauser 5906 Chevy Dual Quad Tunnel Ram Top
$328.00Offenhauser 5906 Big Block Chevy 396-454 Tunnel Ram Dual Quad Top
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Offenhauser 5909 Chrysler 383-400 Tunnel Ram Dual Quad Top
$329.00Offenhauser 5909 Chrysler 383-400 Tunnel Ram Dual Quad Top For use with Base 5908. For gasket use 5908G. 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 the…
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Offenhauser 5915 Dual Quad Top
$329.00Offenhauser 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.
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Offenhauser 5919 Dual Quad High-Rise Manifold – AMC 1970
$873.00Dual Quad High-Rise, 1970 and later American Motors.  All V8’s.  Shipping weight 21.5 lbs.
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Offenhauser 5921 Tunnel Ram Base
$563.00Offenhauser 5921 Tunnel Ram Base for Chevrolet 283-400. Base only. Use 5921 G for gasket in between 5921 base & 5922 top.
Fits the following tops:
- 5922 Single Quad top for Holley or T.Q. carbs
- 5923 Dual Quad top for Holley carbs.
- 5930 Single Quad top only to accept Holley 4500
- 5978 3 Weber carb set up
- 5988 Dual Quad top for T.Q. carbs only
If you do not see your top listed for purchase, please email or call us.
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Offenhauser 5922 Chevrolet 283-400 Turbo Thrust Power Port Manifold Single Quad Top
$328.00Turbo Thrust Power Port Manifold Chevy 283-400 Single Quad Top
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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 5925 Carburetor Adapter
$91.00Carb 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.)
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Offenhauser 5925R 4500 Carb Adapter to A.F.B. Base
$91.00Â Carb adapter Fits AFB carb onto Holley 4500 manifold Offy part# 5925r
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Offenhauser 5934 Ford 302 Tunnel Ram Power Port Manifold Dual Quad Top
$329.00Offenhauser 5934 Ford 302 Tunnel Ram Power Port Manifold Dual Quad Top For use with 5931 Base. For gasket use 5931G.