SLP LS1/LS6/LS2/LS3 Harmonic Balancer/Underdrive Pulley

SKU: SLP-100225

Manufacturer: SLP

211.95 $

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SLP LS1/LS6/LS2/LS3 Harmonic Balancer/Underdrive Pulley

*image is only a representation and may not be accurate

SLP's 25% Harmonic Balancer / Underdrive Pulley for the LS1/LS6/LS2/LS3 Corvette and 2008-2009 LS6 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.

1997-2013 C5/C6 Corvette
Main Belt: Gates 6PK1955 or Equivalent
Accessory Belt: Gates 4PK0990 or Equivalent

2008-2009 Pontiac G8/GXP
Main Belt: 6PK1880 or Equivalent
Accessory Belt: 4PK1080 or Equivalent

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

1997-2013 Corvette
2008-2009 G8 GT/GXP
Manufacturer SLP

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  • Corvette C6 2005,2006,2007,2008,2009,2010,2011,2012,2013
  • Corvette C5 1997,1998,1999,2000,2001,2002,2003,2004
  • Pontiac G8 2008,2009
  • Pontiac GXP 2008,2009