2007.5+ Cummins Performance Damper (920321)

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: 920321

• Bore Diameter: N/A
• Degree Marking: 1 timing mark
• Internally Balanced
• Keyway: Dual: Drill pin kit #300002 recommended over 3500RPM
• Length: 2.665"
• Outside Diameter: 9.525"
• Rotating weight: 18.5 LBS
• No tuning required
• High grade steel w/ viscous silicone

• No mounting hardware included
• Recommend Fluidampr #300002 over 3,500rpm
• #300007 up to 700hp / 1,250ft-lbs
• #300008 above 700hp / 1,250ft-lbs

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