PPE Stage 4 Transmission Kit, Chevy/GMC (2004.5-05) 6.6L Duramax (850HP)

For the hard-core performance enthusiast, PPE offers the Stage4 transmission kit. Ensure your Allison 1000 transmission can handle over 850 HP at the crank (approx. 680rwhp) and 1,500 ft./lbs. of torque without damage. This kit is designed to handle a Duramax engine that has been equipped with multiple high performance modifications, such as stacked performance chips and the use of propane and/or small nitrous kits. This kit includes all of PPEs Allison clutch and converter upgrades, such as a PPE Triple Clutch Converter, Valve Body Recalibration Kit, and upgraded clutches and steels with High-Friction C1, C2, C3 and C4 clutches with Kolene steels.