SLP Harmonic Balancer Underdrive Pulley 05-08 5.7L / 06-10 6.1L


This 25% underdrive balancer for the 2005-2008 5.7L/ 2005-2010 6.1L Dodge Charger/Magnum/300C and 2008-10 Challenger SRT8 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.

  • 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 - See Part # K060798
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  • Model: SLP 100235 Underdrive Pulley
  • Shipping Weight: 15.95lbs
  • 1 Units in Stock
  • Manufactured by: SLP

This product was added to our catalog on Monday 07 August, 2017.

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