>PPEs Stage4 transmission kit is our entry-level kit thats perfect for drag racing, sled pulling, towing or even daily driven use. This kit works extremely well for a stock truck but was engineered to handle a Duramax engine that has been equipped with multiple high performance modifications, such as performance chips, oversize injectors, and/or small nitrous kits.

This kit includes >PPEs valve body recalibration kit (recalibration kit does not change shift points, only increases clutch holding power), converter flow valve and upgraded high-friction C1, C2, C3 and C4 clutches with Kolene steels.
Features:

• Stage 4 Transmission Upgrade Without Converter
• C1, C2, C3, C4 included
• Valve body recalibration kit, boost valve, pump shim and gaskets
• 50 States Emissions Legal (E.O. D-701-18)
• Sold As A Kit

Applications:

• 2006-2010 GM Allison 1000/2000 Transmissions (1280342023)

Note:

• Kits vary by quantity, thickness and material based on your specific transmission needs