2004.5-2005 GM /w 1000-2000-2400 Series Allison Transmission Stage5 Transmission Upgrade Kit 2007-2009-chevrolet-express-2500-4-8l-v8-gas-esi5965035 which can cause permanent damage

which can cause permanent damage to transmission gears and clutches

If you want a long block engine

2006-2016 GM Dual Fueler Control Module

and maintaining reliability

2004.5-2005 GM /w 1000-2000-2400 Series Allison Transmission Stage5 Transmission Upgrade Kit 2007-2009-chevrolet-express-2500-4-8l-v8-gas-esi5965035 which can cause permanent damage50 States Emissions Legal (E. O. D 701 18) Built to handle sled pulling, drag racing, and everyday driving, the PPE Stage5 Transmission Kit is one of the strongest transmission upgrade kits that PPE offers. Thanks to the triple clutch converter, valve body recalibration kit (recalibration kit does not change shift points, only increases clutch holding power), converter flow valve, and upgraded C1, C2, C3 and C4 clutches and Kolene steels. NOTE: Torque