Supercharger Snout / Crank Pulley Spacer w/ Hardware Billet Aluminum 1.060." Thick They use silicon aluminum bi-metal

They use silicon aluminum bi-metal construction

Since Chevrolet has made a variety of pulley diameters

Speedmaster offers a wide range of Ford 9-inch gaskets that cover most popular hot rods

This manifold will typically produce more power than any similar competitive manifold due to larger ports and runners

Couple this Hi-Ram intake with the high flowing Ford Coyote style cylinder heads has outstanding potential for naturally aspirated and forced induction applications

Supercharger Snout / Crank Pulley Spacer w/ Hardware Billet Aluminum 1.060." Thick They use silicon aluminum bi-metalSpeedmaster 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. Each spacer will include their respective hardware.