SLP 05-06 C6 Harmonic Balancer/Underdrive Pulley

SLP's 25% underdrive balancer for the LS1/LS6/LS2/LS3 Corvette and 2008-09 L76 Pontiac G8 and 2009 GXP incorporates a number of high-quality features you won't find on any other aftermarket unit. Chief among them are a pair of extra-tall belt-retention walls that eliminate the belt-slippage issues common to other balancers. Gains of up to 10 horsepower can be expected. Other unique design strengths include 100% steel construction (other brands use steel and 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.

C5/C6 Corvette
Main Belt: Gates 6PK1900 or Equivalent
Accessory Belt: Gates 4PK1040 or Equivalent

Pontiac G8/GXP
Main Belt: 6PK1880 or Equivalent
Accessory Belt: 4PK1080 or Equivalent

FEATURES:

• Extra-tall belt-retention "walls"-no more thrown belts!


• No aftermarket tensioner required


• 100% steel construction


• Integral timing marks and puller-mounting threads


• Keyed for high-rpm or supercharged applications


• Does not cause false knock retard or erratic power-curve dips


• Includes a new balancer bolt


• SFI Approved