1/2" Phenolic Thermal Insulating Carb Spacer Kit - Open Centre Holley Edelbrock

RPC 1In Phenolic Carb Space r - Open R9136

Canton 85-200 Carb Spacer - 1 in Thick - Open - Dominator Flange - Phenolic

Summit G1405-1 carburetor spacer 1/2 thick phenolic square bore Open 4150 EACH

RPC 1In Phenolic Carb Space r- Ported R9134

1" Open Phenolic Carburetor Spacer Fits Holley Carb Chevy 4BBL SBC BBC 1.00"

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

1" Thick Phenolic Carb Spacer Carburetor Open Center For 4150 Holley SBC 4 BBL