Fluidampr - 830121 - Harmonic Balancer - GM - 2011-2016 - 6.6L Duramax LML/LGH - Each

Serious 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 zinc finish with engraved timing marks. No maintenance required. Trusted by leading performance diesel engine builders worldwide. SFI 18.1 certified. Made in USA.

Technical Data
Bore Diameter - 1.9300"
Degree Markings - Engraved
Engine Balance - External
Finish - Black Zinc
Keyway - Single; (5mm)
Length - 2.66"
Material - Steel
Mounting Hardware Included - Yes, washer. Recommend Fluidampr High Strength Bolt Kit p/n 300010
Outside Diameter - 8-3/8"
Safety Rating - SFI 18.1
Weight / Rotating Weight - 25.0 lbs / 16.7 lbs