Fluidampr Harmonic Balancer BBC - Int Balance - Single Key

- Reduce 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.