Supercharger Snout / Crank Pulley Spacer w/ Hardware Billet Aluminum 1.250" Thick When roller rocker arms are

When roller rocker arms are installed

Increasing air flow through your current filter assembly is as easy as replacing your top plate with one of these Speedmaster X-Stream Air Flow Top Plates

not rolled or stamped

or better known to mechanics as the IAC

with the performance and durability required to reach the winner's circle

Supercharger Snout / Crank Pulley Spacer w/ Hardware Billet Aluminum 1.250" Thick When roller rocker arms areSpeedmaster 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.