1" Phenolic / Bakelite Carburetor Spacer Open Center Port Speedmaster intake manifold bolts are

Speedmaster intake manifold bolts are rated at 170

The Speedmaster high output technology coil produces up to 70% more spark energy than stock coils with outstanding reliability

These Speedmaster valve springs are better-designed valve springs using state-of-the-art machinery for purpose-built racing engines

Experience unparalleled performance and power with Speedmasters 6-71 Complete Supercharger Kitengineered for maximum horsepower and durability

1" Phenolic / Bakelite Carburetor Spacer Open Center Port Speedmaster intake manifold bolts 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.