Supercharger LS1 LS3 Crankshaft Spacer Hub 1.250" Corvette Balancer a rough-running

a rough-running

Made from totally new components

they can also offer significantly longer life than conventional cork gaskets

They're available for a variety of applications

They feature very precise valve operation

Supercharger LS1 LS3 Crankshaft Spacer Hub 1.250" Corvette Balancer a rough-runningSpeedmaster 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.