1998.5-2002 Cummins 5.9L Fluidampr Harmonic Damper (960301) dealer product 4mm on the original to

4mm on the original to 7

Head Bolts

This Dirty Delete's key feature is a CNC machined one-piece 6061 T6 Aluminum Pass Through Plate

2011-2016 Duramax LML High Capacity Cast Aluminum Oil Pan (114052120)

PCM Tuning Service

1998.5-2002 Cummins 5.9L Fluidampr Harmonic Damper (960301) dealer product 4mm on the original toUsing only three parts (a laser welded sealed housing, an internal inertia ring, and highly viscous silicone fluid between the two), SFI approved Fluidampr harmonic dampers can control all crankshaft vibration not just a limited frequency range. As a result, you get reduced wear on the main bearings and timing gear, more stable valvetrain operation, and less chance of crank failure.