Supercharger LS1 LS3 Crankshaft Spacer Hub 1.250" Corvette Balancer and withstand pressure up to

and withstand pressure up to 15 psi

Pop-Off plates are designed to release the high pressure that builds up inside of the engine to prevent damaging or cracking your supercharger components

Speedmaster universal 4-speed shifters are designed to be used on most popular 4-speed transmissions and a variety of vehicles

they can also offer significantly longer life than conventional cork gaskets

Supercharger LS1 LS3 Crankshaft Spacer Hub 1.250" Corvette Balancer and withstand pressure up toSpeedmaster supercharger pulley spacers are designed to fit the Speedmaster nose drive assembly so that the belt alignment will be correct. They are made of aluminum and feature a natural finish. The spacers are available in different widths and register bore hole sizes to match your specific engine application and supercharger model.