This 25% underdrive balancer for the 2005-2008 5.7L and 2006-2010 6.1L 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. Each pulley features are a pair of extra tall belt retention walls that eliminate the belt slippage issues common with other balancers, it is black powder-coated and SFI approved. 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
- Black powder-coated
- SFI approved
- Integral timing marks and puller-mounting threads
Does not cause false knock retard or erratic power-curve dips
Note: Requires new belt - K060798 or similar.
