Offenhauser 5903 Chevrolet 327-400 Small Block Low Profile Ram Intake Manifold Dual Quad TopÂ
$392.00Small Block Chevy Low Profile Ram Dual Quad Top
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Small Block Chevy Low Profile Ram Dual Quad Top
This is the BASE for a tunnel ram for a Big Block Chevy. Aluminum. Gaskets sold separately. 5409G/6161G
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.
Dual Quad High-Rise, 1970 and later American Motors.  All V8’s.  Shipping weight 21.5 lbs.
Offenhauser 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:
If you do not see your top listed for purchase, please email or call us.
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.)
 Carb adapter Fits AFB carb onto Holley 4500 manifold Offy part# 5925r
Offenhauser 5964 Intake Manifold Ford 351 Cleveland Single Quad Hi Rise.