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

and withstand pressure up to 15 psi

Designed to last in street and racing applications

They feature very precise valve operation

they can also offer significantly longer life than conventional cork gaskets

They're available for a variety of applications

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.