




Specifications
- Brand
- Fluidampr
- Part #
- 800121
- UPC
- 00815293001654

Fluidampr Chevy 454-502 CID-V8 w/ (2) 1/4 key slots Steel Externally Balanced Damper
$639.22
Order now to reserve yours — we'll ship as soon as stock arrives. Full refund if we're unable to fulfill.
Fluidampr Chevy 454-502 CID-V8 w/ (2) 1/4 key slots Steel Externally Balanced Damper Harmonic Balancer
Key Features
- Fits a wide range of Chevrolet vehicles with 454-502 CID V8 engines, externally balanced and featuring dual 1/4-inch key slots.
- SFI 18.1 certified for racing applications and proven durable for over 35 years.
- Controls harmful torsional vibrations across the entire RPM range for improved engine longevity.
- Reduces wear on critical engine parts and lowers the risk of crankshaft failure.
- Can help unleash lost torque and horsepower by improving engine timing and reducing vibration.
- Precision CNC machined from high-grade steel with a corrosion-resistant black zinc finish and engraved timing marks.
⚠️ CA WARNING: This product can expose you to chemicals known to the State of California to cause cancer and/or birth defects or other reproductive harm. Learn more
Product Details
If you're working on a Chevy big block engine, especially one with modifications or that sees hard use, protecting the crankshaft from torsional vibrations is key. This Fluidampr harmonic balancer is built to do just that. It's designed for 454 and 502 cubic inch V8 engines that are externally balanced and feature dual 1/4-inch key slots, covering a wide range of popular Chevrolet vehicles from the early 70s through the late 90s, including models like the Impala, Chevelle, and C/K series trucks.
Unlike stock harmonic balancers that might only address vibrations at specific RPMs, the Fluidampr's viscous damper design controls harmful torsional vibrations across the entire engine speed range. This improved control helps reduce wear on critical engine components, lowering the risk of crankshaft failure and improving the accuracy of your engine's timing. The result is a more durable engine that can potentially unleash lost torque and horsepower that was being masked by excessive vibration. It's precision CNC machined from high-grade steel, features a corrosion-resistant black zinc finish with engraved timing marks, and requires no maintenance.
This damper is SFI 18.1 certified, meaning it meets stringent safety standards for racing applications, and has been race-proven for over 35 years. It's a solid option trusted by many engine builders for its superior durability and broad RPM range protection, all made right here in the USA.
Specifications
- Brand
- Fluidampr
- Manufacturer Part #
- 800121
- UPC
- 00815293001654
Frequently Asked Questions
You Might Also Like
Similar products from the same category

Fluidampr Ford 302 HO Internal balance (replaces 34 oz in) Steel Internally Balanced Damper

Fluidampr Chevy LS3/L99/Camaro w/ Stock Pulley Steel Internally Balanced Damper

Fluidampr 6.2L / 6.5L GM Diesel 1982-1993 (Mechanical) Steel Externally Balanced Damper

Fluidampr Chevy 454-502 CID-V8 w/ one 3/16 and one 1/4 key slot Steel Externally Balanced Damper
Fluidampr Chevy 454-502 CID-V8 w/ (2) 1/4 key slots Steel Externally Balanced Damper
