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575-C6-HPS (Rear HPS Pads)
7" Equivalent
with excellent dyno results over a stock cam
** Expect surging conditions @ operations under 2000rpm
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
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