Description
Fits
Year | Make | Model |
2020+ | GMC/Chevrolet | 6.6L Duramax |
This damper stops harmful crankshaft torsional vibrations. It boosts performance and durability, reducing wear on key internal parts. It's made of high - grade steel, precision CNC machined and computer - balanced, with long - lasting viscous silicone.
Part Number: 830151
Features
- Bore Diameter: 1.93'
- Degree Marking: TDC
- External Balance
- Keyway: Single; (5mm)
- Length: 3.96'
- Outside Diameter: 8 - 3/8'
- Rotating weight: 20.2 LBS
- No tuning required
- High - grade steel with viscous silicone




This Duramax performance damper is easy to use. First, make sure your vehicle is a 2020 or later GMC/Chevrolet with a 6.6L Duramax engine. Install the damper following the standard automotive installation procedures. No tuning is needed, so you can start using it right after installation. As for maintenance, keep it clean and check for any signs of damage regularly. If you notice any abnormal vibrations or wear, it might be time to inspect or replace the damper. Also, make sure to keep the damper away from extreme heat or chemicals to ensure its long - lasting performance.