Powerstroke 7.3L GTP38 TP38 Turbo Billet Compressor Wheel 60/80 +&nbsp;Upgrade Rebuild Kit Billet compressor wheel withExtend Tapered Tip Technoloy for Performance use and Anti-Surge purpose. Stepped Gap Pistion Ring on Compressor side to eliminate Oil Leak problem 360 Thrust bearing system for High Boost Applications. Application: 1994-2003 Ford Powerstroke 7.3 GTP38/TP38 Turbo