SLP 05-09 5.7L/6.1L Harmonic Balancer-Underdrive Pulley w/Bolt

SLP 05-09 5.7L/6.1L Harmonic Balancer-Underdrive Pulley w/Bolt. New 25% underdrive balancer for 2005-2009 5.7L/6.1L Dodge Charger/Magnum/300C incorporates a number of high quality features you won't find on any other aftermarket unit and makes up to 9 additional rear wheel horsepower and 10 ft-lbs of rear wheel torque over the stock crankshaft pulley. Pulley features are a pair of extra tall belt retention walls that eliminate the belt slippage issues common with other balancers. Other unique design strengths include a 100% steel construction (other brands use aluminum), integral timing marks and built in puller mounting threads. Includes detailed installation instructions.***Features: Up to 9 Rear Wheel Horsepower Increase - Up to 10 ft-lbs. Rear Wheel Torque Increase - Extra-tall belt-retention walls-no more thrown belts! - 100% steel construction- Lighter than the stock balancer - Integral timing marks and puller-mounting threads - Does not cause false knock retard or erratic power-curve dips***Note: Requires new belt - 6PK2025 or similar.