Gm LS High Performance Harmonic Balancer w/ Balancer Bolt
- Fits most LS engines
- Free up horsepower over stock dampers, 30% more efficient above 5,000 rpm
- CNC-machined and designed to mount to crank hub so timing marks never change position
- Includes New Harmonic Balancer Bolt
- 6.325'' Overall Diameter
- Internally Balanced
- Marked Timing degree marks