The Industrial Injection 3632306801 Viper PhatShaft 63 Turbo with 12 cm housing is an excellent upgrade for your mild to aggressively modified 1994-2002 Dodge 5.9L Cummins. The Viper PhatShaft Turbocharger features and a 360-degree thrust bearing for increased reliability, an extended tip 63mm forged milled compressor wheel and a 12cm housing that is modified for maximum performance. Industrial Injection enlarges the wastegate chamber, maximizes the wastegate ports and modifies the angle of the exhaust nozzle. Each turbocharger comes complete with dual grooved high-performance bearings, and an adjustable boost elbow.