2015 GMC Sierra 2500 HD Automatic Transmission Shift Kit Parts

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8 Cyl 6.6L

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Pressure Controller; Wiring Harness
Automatic Transmission Pressure Controller; Pressure Controller; Wiring Harness;
Automatic Transmission Pressure Controller
Product Attributes:
- Trans Year:
  - 2011
  - 2012
  - 2013
  - 2014
  - 2015
  - 2016
- WARNING CA Proposition 65: Yes
- WARNING CA Proposition 65 Message: Warning Cancer And Reproductive Harm Www.p65warnings.ca.gov
- Trans Model: Allison- 1000 (auto) 5 Speed
Features:
- 25 Percent To 115 Percent More Theoretical Holding Power
- Delivers Up to 275psi Line Pressure At WOT
- Only Active When Boost Is Over 15psi
- No Transmission Relearn Required
- Installs In Under An Hour
Allison transmissions utilize variable line pressure that adjusts to different engine load to improve fuel economy. The problem with this is that it drops line pressure after a shift, causing clutch slippage and failure in higher powered trucks. The BD pressure controller module boosts line pressure up to 275psi when the engine is over 15psi boost and runs stock pressure under normal conditions prevent harsh shifting. The kit is fully plug-and-play. It plugs into factory connectors and requires no special setup.