Pay in 4 interest-free payments of $71.85 Learn more
Ships within 48 hours · Estimated delivery Sep 9 - Sep 14
vacuum advance units
Silicone & Suede Leather
10 in Long
Ideal for vehicles with late model engine swaps and applications where conventional tachometer signals are not available
Aramid Fiber
Fluidampr GM Duramax 8-3/8 6.6L Harmonic Damper - SFI GBDXXC vacuum advance unitsSerious 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