Super Phat shaft 66 for the Dodge Cummins 24 CR Valve 2003 to 2006. Supports 400 – 750hp and can be upgraded into a twin setup. 66mm extended tip compressor inside 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. Custom low back pressure turbine wheel attached to a Phat Shaft.
NOTE: The HX40 downpipe and clamp are required for installation on trucks with the automatic transmissions.