Innovators West: LSX 6-Rib Harmonic Balancer for LS7 Corvette - Standard Diameter x-pipe this kit also provides a

this kit also provides a great visual upgrade over the factory look

-Black oxide coated

A must for the aggressively driven NA or roots style SC vehicle

Unique Whipple twin screw design provides the largest power gains across entire rpm range

The combination of the heat

Innovators West: LSX 6-Rib Harmonic Balancer for LS7 Corvette - Standard Diameter x-pipe this kit also provides aSFI 18. 1 Harmonic Balancer for GM 2006 2013 LS7 Corvette w Crank Bolt. Features 6 Rib drive & Std. Dia. Pulley. This damper comes standard with 3 16" Keyway for use with aftermarket crankshafts. Options Dual Keyway Option Add $20. 00 Add dual keyways for Supercharged or Extreme Duty Applications. Requires double keyed crankshaft snout. Details Diameter: 7. 25" Weight: 7. 4 lbs Exceeds SFI 18. 1 standards and is marked on front with SFI Sticker, and