Oldsmobile 455 6.500" External SFI-Rated Damper Harmonic Balancer and use low-resistance terminals for

and use low-resistance terminals for maximum conductivity

Its lightweight construction reduces engine load

These kits help to eliminate any noise or unnecessary grinding that may cause your starter to prematurely wear

This feature is sometimes called an air gap design

Oldsmobile 455 6.500" External SFI-Rated Damper Harmonic Balancer and use low-resistance terminals forSpeedmaster harmonic balancers are crafted from high quality steel and feature a tuned elastomer for optimal engine performance. They include a strong bonding process, easy to read timing marks, and an advanced design to absorb engine vibrations, extending the life of the crankshaft and bearings for enhanced power and torque.