Fluidampr Harmonic Balancer BBC - Int Balance - Single Key 10 drivers can use the Sound

drivers can use the Sound Remote Controller or the new smartphone app (for iOS and Android) to regulate the valves

When using this with an ECU other than the Thunder

Rebuildable and Revalveable at our Facility in Richmond

If you require this kit to be made to suit Large bore mounts for the following mechanical fuel pumps: Enderlie / Aeromotive / Magnus

Fluidampr Harmonic Balancer BBC - Int Balance - Single Key 10 drivers can use the SoundReduce risk of crankshaft failure. Reduce wear on critical engine parts. Unleash lost torque & horsepower. No maintenance required.; Superior durability. SFI 18. 1 spec. Race proven for over 35 years. Broad RPM range protection. Made in USA.