1989-1998 Cummins 12V Performance Damper (960311)

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: 960311

• Bore Diameter: N/A
• Degree Marking: 2 notches for sensor pick up
• Internally Balanced
• Keyway: Dual: Drill pin kit #300002 recommended over 3500RPM
• Length: 2.617"
• Outside Diameter: 9-3/4"
• Rotating weight: 16.7 LBS
• No tuning required
• High grade steel w/ viscous silicone
• Sensor relocation kit included 

• Recommend Fluidampr #300002 over 3,500rpm
• #300007 up to 700hp / 1,250ft-lbs
• #300008 above 700hp / 1,250ft-lbs

Don't see your question? Ask us anything about this product.