1/2" 4150/4160 Holley Open Phenolic Carburetor Spacer - Black. Made out of phenolic resin and engineered to reduce heat transfer from the intake manifold to the carburetor that provides a denser air/fuel mixutre for increased power and efficiency.
2" Open Phenolic Carburetor Spacer Fits 4BBL Holley Demon AFB Edelbrock SBC BBC
1" Open Phenolic Carburetor Spacer Fits Holley Carb Chevy 4BBL SBC BBC 1.00"
2" Open Phenolic Carburetor Spacer Fits Holley Carb Chevy 4BBL SBC BBC 2.00"
1" OPEN PHENOLIC CARBURETOR SPACER EDELBROCK CARTER HOLLEY SBC BBC SBF4bbl#9136
1/2" OPEN PHENOLIC CARBURETOR SPACER EDELBROCK CARTER CHEVY FORD 4bbl. #9138
2" OPEN PHENOLIC CARBURETOR SPACER EDELBROCK CARTER HOLLEY SBC BBC SBF4bbl#9137
