2011-2017 Duramax Performance Damper (830121)

Description

Fits

Year	Make	Model
2001-2017	GMC/ Chevrolet	6.6L Duramax

 

Prevent destructive crankshaft torsional vibration, and replace it with optimum performance and durability. These harmonic balancers reduce wear on critical internal components. Featuring high-quality, long-lasting viscous silicone with precision CNC machined and computer-balanced high-grade steel components.

Part Number: 830121

Features

• Bore Diameter: 1.9300"
• External Balance
• Keyway: Single; (5mm)
• Length: 2.66"
• Outside Diameter: 8-3/8"
• Rotating weight: 16.7 LBS
• No tuning required
• High grade steel w/ viscous silicone