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These rear-ends have a reputation for being tough to handle the abuse of Circle Track racing
Designed to last in street and racing applications
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
they can also offer significantly longer life than conventional cork gaskets
Made from totally new components
Supercharger LS1 LS3 Crankshaft Spacer Hub 1.250" Corvette Balancer These rear-ends have a reputationSpeedmaster 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.
