Stage 1 Pulley Upgrade for C6 Corvette ZR1 initially published 575-C6-HPS (Rear HPS Pads)

575-C6-HPS (Rear HPS Pads)

This upgrade kit produces excellent horsepower and torque improvements over the factory 638 horsepower and 604 lbs ft of torque while maintaining a safe level of boost and supercharger RPM

7" Equivalent

Expect a 7-9% Power gain

California Proposition 65 Statement Some parts are not legal for use in California or other states with similar laws/regulations

Stage 1 Pulley Upgrade for C6 Corvette ZR1 initially published 575-C6-HPS (Rear HPS Pads)MTI Racing Lingenfelter supercharger pulley upgrade kit is designed to enhance the new LS9 Corvette ZR1 supercharged engine. This upgrade kit produces excellent horsepower and torque improvements over the factory 638 horsepower and 604 lbs ft of torque while maintaining a safe level of boost and supercharger RPM. Testing at Lingenfelter has shown 680 BHP and 660 lbs ft of torque with the pulley upgrade kit installed. The pulley kit will overdrive the