Fluidampr Harmonic Balancer - Internal Balance - Steel - Black - SB Chevy, 409, 4.3L V6 - 6-1/4" Diameter - 7.9 lbs. Drive Shaft 1200 / 6000 RPM

1200 / 6000 RPM

is 4-3/8" in diameter

making it a direct bolt-on to all vehicles with a shaker hood

150 in Thick

Fluidampr Harmonic Balancer - Internal Balance - Steel - Black - SB Chevy, 409, 4.3L V6 - 6-1/4" Diameter - 7.9 lbs. Drive Shaft 1200 / 6000 RPMProtect 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