Fluidampr · New
Fluidampr Chevy LS1 / LS6 Corvette (No Pulleys) Steel Internally Balanced Damper
MPN 620131 · Store SKU fdr620131
Supplier stock checked 11/8/2026, 8:09:18 AM UTC. Adding a part does not reserve it.
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Product details
Protect your Corvette or CTS-V LS engine from harmful torsional vibration with a Fluidampr viscous damper designed for high-performance street and racing applications. Increased cylinder pressure, RPM and rotating assembly changes can reduce the effectiveness of stock elastomer-style dampers. Fluidampr viscous damping technology helps control crankshaft harmonics across the entire RPM range to support long-term engine durability, accessory drive stability and reduced wear on critical components. Application summary: 1997-2004 Chevy Corvette / 2004-2007 Cadillac CTS-V. LS engine. Fitment note: Pinning recommended for high-horsepower and supercharged applications. Fluidampr Pin Kit p/n 300004 available separately. Fitment note: Damper only. Accessory drive pulley available separately. Fitment note: Compatible with LS accessory drives using 1.50" crank pulley offset spacing. Harmonic Balancer - Fluidampr - LS SBC - 1997-2004 Corvette / 2004-2007 Cadillac CTSV - Damper Only - Steel - Black Zinc Chromate - 6-1/4" dia - 8.2 lbs - SFI 18.1 - Made in USA - Each Harmonic Balancer - Fluidampr - LS SBC-97-04 Corvette/04-07 Cadillac CTSV - Each
Manufacturer fitment & guides
Check 620131 against the manufacturer’s application information below.
Part-specific notes
- California Proposition 65: Y