Phenolic Plastic Carburettor Spacer, 1-11/16" Ported, 1/2" Spacer Fits Holley/AFB Four Barrel Carburettors, Gasket & 2" Stud Kit Included

Made out of phenolic resin and engineered to reduce heat transfer from the intake manifold to the carburetor that provides a denser air/fuel mixture for increased power and efficiency. Includes mounting hardware and gaskets for a no-hassle installation.

Specifications:
1/2" Thickness
Fits Holley 4150/4160 and AFB 4BBL Carburetor Flanges
1-11/16" Ports
Includes Mounting Hardware & Gaskets