97-13 CRANKSHAFT HARMONIC BALANCER UNDERDRIVE PULLEY LS1 / LS2 / LS3 / LS6

97-13 CRANKSHAFT HARMONIC BALANCER UNDERDRIVE PULLEY LS1 / LS2 / LS3 / LS6

Your Price:$230.95
Part Number:2124-C
This 25% underdrive balancer for Corvette's 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.

*Extra-tall belt-retention "wall"-no more thrown belts!
*No Aftermarket tensioner required
*100% steel construction
*Lighter than the stock balancer
*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

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