Aluminum 4150 to 4500 CNC Machined Carburetor Spacer w/ Burst Panel Check Valves Featuring a low profile design

Featuring a low profile design and a high flow runner design these manifolds will improve performance from 1500-6500 RPM range

dual plane fuel injection intake manifolds allow the installation of dual throttle bodies on late model LS Series engines

The cells have foam in the base to prevent fuel aeration

These manifolds require a universal 4-barrel throttle body

This is our top-of-the-line medium profile LowRise+ Series manifold

Aluminum 4150 to 4500 CNC Machined Carburetor Spacer w/ Burst Panel Check Valves Featuring a low profile designSpeedmaster billet aluminum spacers provide the benefits of an open carburetor spacer.