Fluidampr Ford 7.3L Powerstroke 99 -03 Harmonic Damper-SFI 935212 50" from the o-ring center

50" from the o-ring center to o-ring enter

step spacers reducing to a 1/2" hole and cut to fit stock GM type mounts

an adhesive-free

Fel-Pro PermaTorque head gaskets are the professional's choice for reliable

Needle Valve

Fluidampr Ford 7.3L Powerstroke 99 -03 Harmonic Damper-SFI 935212 50" from the o-ring centerSerious power requires a serious damper. Protect your truck's engine with the technology preferred by heavy duty diesel OEMs. 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. Competition built precision CNC machined and balanced high grade steel components. Corrosion resistant black