The Stage 1 Pulley Kit can produce over 700 HP and 700 lb-ft of torque at the flywheel over a stock LT4 engine with proper tuning. No other components are needed other than proper ECM re-calibration (not included) to achieve these results on your own LT4 powered Corvette or Camaro. No changes to the exhaust or fuel system is required. The Stage 1 Pulley kit includes: - ATI LT1/LT4 dry sump torsional vibration damper - 15% overdrive balancer pulley - Pulley hardware - Green Back HD Supercharger belt - 100mm idler kit - Crankshaft bolt Boost should increase 2.5 to 3 psi with installation of this kit No changes in drivablity with proper tuning. |