Fluidampr Dodge 5.9L Cummins 9-1/4 Harmonic Damper - SFI Draco Racing The new Series 6A has

The new Series 6A has new features never seen before in the Head and Neck Restraint market

Works w/Most Factory Sensors

Brackets are 1/8" thick

King SI rod/main bearings

CRB/CRH W/MSD

Fluidampr Dodge 5.9L Cummins 9-1/4 Harmonic Damper - SFI Draco Racing The new Series 6A hasSerious 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