1" Phenolic / Bakelite Carburetor Spacer Square Bore 4 Port These Speedmaster expansion tanks are

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

327 and 350 V8s with 1987-95 heads with OEM 4-bbl carb

Speedmaster LS dual 4-barrel

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

Speedmaster C4 automatic transmission small block to big block torque converter conversion plate

1" Phenolic / Bakelite Carburetor Spacer Square Bore 4 Port These Speedmaster expansion 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.