Camaro 25% Underdrive Pulley / Harmonic Balancer V8 LS3

Camaro 25% Underdrive Pulley / Harmonic Balancer V8 LS3

Your Price:$225.95
Part Number:51121010 - W

SLP's new 25% underdrive balancer for 2010 L99/LS3 Camaro, incorporates a number of high quality features you won't find on any other aftermarket unit and makes up to 4.9 additional rear wheel horsepower and 6.1 ft-lbs of rear wheel torque. Among these 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 a new balancer bolt and detailed installation instructions.  


  • Up to 4.9 Rear Wheel Horsepower Increase
  • Up to 6.1 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
  • Includes a new balancer bolt

NOTE: Balancer requires two new belts not included.

2010-2015 Camaro
Main Belt: Gates K060827 or 82.7" Equivalent
Accessory Belt: Gates K040353 or 35.3" Equivalent

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