1" Phenolic / Bakelite Carburetor Spacer Square Bore 4 Port Speedmaster radiator overflow tanks are

Speedmaster radiator overflow tanks are both functional and stunning to look at

Speedmaster axle stubs are machined from solid billet 4340 material

They're designed to be installed with no modifications

The sump tank is generally mounted in the engine compartment

1" Phenolic / Bakelite Carburetor Spacer Square Bore 4 Port Speedmaster radiator overflow tanks areThe 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.