1" Phenolic / Bakelite Carburetor Spacer Open Center Port Whether you're overhauling an engine

Whether you're overhauling an engine or looking to upgrade your vehicle's performance

flush-machined set screws for proper contact on the studs

so you are good to go

The 10" diameter construction reduces rotational weight reducing scavenging of horsepower

or straight pieces of exhaust tubing

1" Phenolic / Bakelite Carburetor Spacer Open Center Port Whether you're overhauling an engineThe precise design of these Speedmaster carburetor spacers provides a smooth transition of fuel from the carburetor to the intake manifold, to increase flow for more performance. They also help to insulate the carburetor from engine heat and provide clearance for linkages.