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MTI Racing #253 LS3 Aluminum Engine 808hp & 738 ft/lb of torque
Exhaust Center Section Parts $ 700 With Header Install N/C $ 700
pricing and availability are subject to change without notice
75" longer)
Stage 1 Pulley Upgrade for C6 Corvette ZR1 Air & Fuel Delivery MTI Racing #253 LS3 AluminumMTI 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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