1" Phenolic / Bakelite Carburetor Spacer Square Bore 4 Port Speedmaster regulators are ideal for

Speedmaster regulators are ideal for use with high-volume fuel pumps

Made from CNC machined billet steel for heady duty applications

These Speedmaster expansion tanks are perfect for cars with low-mount radiators to provide a convenient filling location and to bleed off unwanted air

and a reduced chance of oil leaks

Crafted from high-quality billet aluminum with a sleek black finish

1" Phenolic / Bakelite Carburetor Spacer Square Bore 4 Port Speedmaster regulators are ideal forThe 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.