Phat shaft 62 for the Dodge Cummins 24 CR Valve 2003 to 2006. Supports 350 – 550hp and can be upgraded for more horse power. 62mm extended tip compressor inside of a one piece performance compressor housing. Quick spool turbine housing with dual oversized wastegate passages. The Phat shaft comes with high speed dual grooved bearings for extreme duty. Low back pressure turbine wheel attached to a Phat Shaft. Comes ready to mount to the stock exhaust elbow and is a drop in replacement for the 6 Speed transmissions. NOTE: Turbo comes with all install components; however, a Boost Fooler is needed if truck is a 2004.5 or newer. The HX40 downpipe and clamp are required for installation on trucks with the automatic transmission.