2001-2005 Duramax Performance Damper (890101)

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: 890101

• Bore Diameter: 1.9300"
• 1 timing mark
• External Balance
• Keyway: Single; (5mm)
• Length: 2.66"
• Outside Diameter: 8-3/8"
• Rotating weight: 17.6 LBS
• No tuning required
• High grade steel w/ viscous silicone

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