Fluidampr Harmonic Balancer - External Balance - Steel - Black - Ford 289, 302, 351C, 351M, 351W, 400 - 6-5/8" Diameter - 12.9 lbs. 24-CHL-N-7 4 x 2-3/8 in Primary

4 x 2-3/8 in Primary Tubes

Fits 1999-2007* (*Classic body) Chevrolet Silverado & GMC Sierra 1500 4

Fits Chevy intakes

5 degrees of additional camber adjustability

Fits SA/SP126A

Fluidampr Harmonic Balancer - External Balance - Steel - Black - Ford 289, 302, 351C, 351M, 351W, 400 - 6-5/8" Diameter - 12.9 lbs. 24-CHL-N-7 4 x 2-3/8 in PrimaryProtect 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