4 Hole Carburetor Spacer 1/2" Ported Phenolic Fits Holley 4150/4160&AFB #R9138

RPC Carburetor Spacer R9138; Holley 4150 Square .500 in. 4-Hole Black Phenolic

RACING POWER CO-PACKAGED 1/2In Phenolic Spacer - Ported- R9138

Racing Power Company Racing Power R9134 Carburetor Spacer

2" Open Phenolic Carburetor Spacer Fits Holley Carb Chevy 4BBL SBC BBC 2.00"

Racing Power Company Racing Power R9138 Carburetor Spacer

1/2" Ported Phenolic Carburetor Spacer Fits Holley Carb Chevy 4BBL SBC BBC 0.5"

1" Carburetor Spacer Holley 4150 4160 Open Center Quick Fuel Edelbrock Carter