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STF protects gears
Specific to the Duramax platform is a
With 7 common configurations stored in memory from the factory
35 to 75 psi
Fluidampr Pontiac 6-5/8 Harmonic Damper - SFI H778003M STF protects gearsProtect 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
