Speedmaster PCE460.1015 Complete 6-71 Roots Supercharger Kit for Chevy GM LS1

The Speedmaster PCE460.1015 is a complete 6-71 Roots-style supercharger system engineered specifically for Chevy GM LS1 engines. This comprehensive bolt-on forced induction kit delivers substantial power gains of 45-55% horsepower increase, transforming your LS1 into a high-performance powerhouse suitable for both street and competition applications.

Supercharger Unit:

• Polished aluminum 6-71 Roots-style blower with show-quality finish
• Precision-engineered 3-lobe rotors, double-pinned for maximum reliability
• Factory timed and clearanced for optimal efficiency and longevity
• High-flow design maintains excellent low-end torque while adding top-end power

Complete Installation Package Includes:

• Aluminum supercharger intake manifold designed for LS1 mounting
• Dual 4-barrel carburetor adapter plate for flexible fuel system options
• Supercharger snout with coupler assembly
• Upper and lower drive pulleys (50-tooth and 55-tooth) for optimal boost control
• 3-inch Gilmer-style drive belt
• Idler pulley with mounting bracket assembly
• All necessary gaskets including supercharger-to-manifold and carburetor plate gaskets
• Screen mesh for carburetor protection
• Breakaway stud kit for safety
• Complete hardware and alignment components

Customizable Performance:

The included pulley system provides excellent out-of-box performance, with the option to add aftermarket pulleys for fine-tuning boost levels. Adjust drive ratios to create underdrive setups for mild street applications or overdrive configurations for maximum competition power.

This kit is designed for carbureted LS1 conversions and provides an excellent foundation for building a reliable, high-horsepower engine. The polished aluminum finish delivers classic hot rod aesthetics while the proven Roots-style design ensures instant throttle response and linear power delivery throughout the RPM range.