Fluidampr Harmonic Balancer - Fluidampr - BBC - Int Balance - Dual Key - Each - 800131

Harmonic Balancer - Fluidampr - Big Block Chevy - Internal Balance - Dual Key, 3/16", 1/4" - Steel - Black Zinc Chromate - 8" dia - 15.3 lbs - SFI 18.1 - Made in USA - EachFits: Chevy Big Block 396-427. Internal balance. Dual 3/16" and 1/4" keyways.
Protect your engine. Modifications can compromise your stock harmonic balancer. Install a Fluidampr performance damper early for best durability. Superior viscous damper design controls harmful torsional vibration across the entire rpm range. Reduce wear on engine components. Reduce risk of crankshaft failure. Improve timing. Unleash lost torque and horsepower. Precision CNC machined and balanced high-grade steel components. Corrosion resistant black zinc finish with engraved timing marks. No maintenance required. Trusted by leading engine builders worldwide. SFI 18.1 certified. Made in USA.Broad RPM range protection.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.Made in USA.