Harmonic Balancer Underdrive Pulley for Camaro Trailblazer Silverado

Harmonic Balancer Underdrive Pulley for Camaro Trailblazer Silverado

Item Code: CA3007

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Product Description

This new 25% underdrive balancer for 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.

NOTE: Balancer requires two new belts not included.

2010-2013 Camaro

Main Belt: Gates K060827 or 82.7" Equivalent

Accessory Belt: Gates K040353 or 35.3" Equivalent

4.8/5.3/6.0 Truck/SUV and Trailblazer SS

Main Belt: Dayco 5060895 or 89.5" Equivalent (When the vehicle is equipped with an Overdrive Alternator, use Dayco 5060882 or 88.2" Equivalent).

Accessory Belt: Dayco 5040345 or 34.5" Equivalent.


  • 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

  • Application

    • 2010 2011 2012 2013 Camaro L99 or LS3 V8
    • 1999-2013 Silverado/Sierra/SUV 4.8L 5.3L 6.0L V8
    • 2006-2009 Trailblazer SS with Bolt

    Installation Difficulty

    Installation Difficulty 4 View Installation Instructions


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