Supercharger LS1 LS3 Crankshaft Spacer Hub 1.250" Corvette Balancer leak-free seal and requires no

leak-free seal and requires no additional sealants

Speedmaster offers their version

Engineered for durability and precision

The use of 6 pinion gears means the stress on gears is spread over a greater surface area

and the hose assemblies are 50-state street legal under D

Supercharger LS1 LS3 Crankshaft Spacer Hub 1.250" Corvette Balancer leak-free seal and requires noSpeedmaster 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.