Phenolic Plastic Carburettor Spacer, Open Center, 1/2" Spacer RPCR9139 Product:Fits Holley/AFB Four Barrel Carburettors, Gasket & 2" Stud Kit Includ Self diagnostics allow users of

Self diagnostics allow users of every skill level to fully utilize the EZ-TCU

400 Mains with Big Block Chevy Snout

60° Aluminium Mandrel Bend 4" (102mm) Dia

Available in black

TBS manifolds include the following Provisions for thermostat Raised floor with large radius ports for better air flow

Phenolic Plastic Carburettor Spacer, Open Center, 1/2" Spacer RPCR9139 Product:Fits Holley/AFB Four Barrel Carburettors, Gasket & 2" Stud Kit Includ Self diagnostics allow users ofPhenolic Plastic Carburettor Spacer, Open Center, 1 2" SpacerFits Holley AFB Four Barrel Carburettors, Gasket & 2" Stud Kit Included RPCR9139 CR9139 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