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01-10 GM 6.6L Duramax PPE Pressure Calibration Kit

Fits: 2001-2010 GM 6.6L Duramax LB7/LLY/LBZ/LMM

This kit the perfect upgrade when building a 5 or 6 speed Allison 1000 transmission. This kit is recommended for trucks hauling heavy loads and making high horsepower. The increase in line pressure improves your clutches’ holding ability and the calibration springs will tighten up shifts.


  • Promotes Firmer Shifts
  • Increases Line Pressure
  • Improved Clutch Holding Ability

PPE: 128041000

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