Oldsmobile 455 6.500" External SFI-Rated Damper Harmonic Balancer best of all

best of all

There's no better way to top off your street machine than with one of our PCEHilborn-Style hood scoops

High performance fuel injectors

The right choice is critical for your engine and your wallet--choose Speedmaster iron distributor gears

while delivering increased engine vacuum

Oldsmobile 455 6.500" External SFI-Rated Damper Harmonic Balancer best of allSpeedmaster 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.