Phat shaft 62 for the Dodge Cummins 24 Valve 1998.5 to 2002. Supports 325 – 550hp and can be upgraded to 64 or for a new Dodge 62mm extended tip compressor inside a 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. The HX40 downpipe and clamp are required for installation….