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SLP Performance 2005-2008 Charger/Magnum/300 5.7L/6.1L, Challenger 6.1L Harmonic Balancer-Underdrive Pulley

Underdrive Pulley Harmonic Balancer, Chrysler/Dodge 2005-08 5.7

Charger 5.7L, 6.1L Hemi - 2005, 2006, 2007, 2008

300C 5.7L, 6.1L Hemi - 2005, 2006, 2007, 2008

Magnum 5.7L, 6.1L Hemi - 2005, 2006, 2007

Challenger 6.1L Hemi - 2008, 2009, 2010
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Was: $239.95
Sale: $230.95
Save: 4%
Save: $9.00


This 25% Underdrive Pulley / Harmonic Balancer for the 2005-2008 5.7L/6.1L Dodge Charger/Magnum/300C and 2008-2010 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 - Dayco 6PK2025 or similar

    Note: Not Recommended for use on aftermarket crank shafts

    SLP Performance Harmonic Balancer/Under- drive Pulley 05-08 Charg 100235

    Underdrive Pulley Harmonic Balancer
  • Chrysler/Dodge 2005-08 5.7

    Pit Stop USAoffers SLP Performance Harmonic Balancer/Under- drive Pulley 05-08 Charg 100235 at low everyday prices. Be sure to check out all of our products from SLP Performance including SLP Performance Harmonic Balancers - Chrysler 5.7L Hemi.
  • Details

    • SLP100235
    • SLP100235
    • SLP Performance
    • Temporarily Not Available
    • Same Day Shipping!
    • New

    Shipping Information

    • Item Requires Shipping
    • 8.0 lbs.
    • W8.6000” x H7.4000” x L10.8000”
    • Shipping
    • FREE SHIPPING! Ships from Michigan.

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