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dual plane fuel injection intake manifolds allow the installation of dual throttle bodies on late model LS Series engines
Speedmaster aluminum Water Pump pulleys are manufactured from 356 aluminum that is heat-treated to T-6 specs
The Speedmaster shift selector shaft uses an O-ring to prevent leakage from GM TH400 cases
This process ensures a more uniform and robust casting
Supercharger Snout / Crank Pulley Spacer w/ Hardware Billet Aluminum 0.465" Thick dual plane fuel injection intakeSpeedmaster 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.
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