Fluidampr Chevy 454-502 CID-V8 w/ one 3/16 and one 1/4 key slot Steel Externally Balanced Damper

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. Harmonic Balancer - Fluidampr - Big Block Chevy - External Balance - Dual Key, 3/16", 1/4" - Steel - Black Zinc Chromate - 8" dia - 17 lbs - SFI 18.1 - Made in USA - Each

• SFI 18.1 spec. Race proven for over 35 years.
• Reduce wear on critical engine parts.
• Reduce risk of crankshaft failure.
• Unleash lost torque & horsepower.
• Broad RPM range protection.
• No maintenance required.
• Superior durability.
• Made in USA.