2004.5-2005 Duramax Stage6G Transmission Upgrade Kit (128035512)

This beast can handle anything you toss its way, thanks to its top-level performance and heavy-duty design. 

Get the toughest upgrade kit that PPE offers. Featuring a triple clutch converter, recalibration kit (shift points stay the same -  just boosts clutch holding power!), converter flow Valve, and souped-up C1, C2, C3, and C4 clutches with Kolene steels. 

Part Number: 128035512

• Billet triple clutch converter (optional)
• C1, C2, C3, C4 included
• Valve body recalibration kit, boost valve, pump shim and gaskets
  

• 50 States Emissions Legal (E.O. D-701-18)
• Torque Converter sold separately 

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  What’s the horse power rating? Doesn’t say anywhere

  Generally considered to be up to 1200 HP.