Holley/AFB 4BBL Carburetor Spacer for Standard Intake Manifolds; TORQUE-FLOW(tm) Tapered Ports; 1-1/2 in. Tall- Billet Aluminum
It is no secret that tuners can alter their engine torque's sweet spot imply by increasing or decreasing the length plenum beneath the carburetor. To lengthen the plenum, simply install a carburetor spacer. For years, carb spacers have mainly been available in 1" or 2" tall varieties. But, in addition to the 1-1/2" tall design offering builders and drag aracers another level of tunability, the special, tapered port design of this Torque-Flow carburetor spacer, provides the benefit of a venturi effect to increase intake speed and improve the spacer's ability to produce torque.
Hamburger's precision CNC machines this spacer in their Whittier, California manufacturing facilty using 6061-T6 aluminum, then giving a durable clear anoziding to protect it from the harsh engine bay elements. Hamburger's includes all the necessary gaskets and longer mounting hardware to accomodate the taller carburetor position. The spacer is designed with 8 mounting holes so it can be used with both Holley and AFB 4 bbl carburetors on a standard 4 barrel intake manifold. This spacer is backed by a limited lifetime warranty!
[PLEASE REVIEW THE FOLLOWING PRODUCT ATTRIBUTES & VEHICLE APPLICATION FOOTNOTES SPECIFIC TO YOUR VEHICLE, THOROUGHLY]