Want to push your truck to the limit? Scratch that. Need to push your truck to the limit? With the GTP38R for 7.3L Power Stroke turbo kit, you will experience Garrett GT dual ball bearing technology working to give you more power than you could have dreamed possible. This Garrett dual ball bearing cartridge has unbeatable response, efficiency and durability. The thrust bearing has been eliminated, which gets rid of failures at elevated boost levels. The 88mm GT compressor wheel provides 33 percent more flow than the stock 80mm wheel. Ported shroud housing improves compressor flow range for surge control and increased choke flow. This turbo has a 1.00 A/R turbine housing for free flowing exhaust with reduced back pressure. It also reduces exhaust gas temperature by nearly 200 degrees and has a maximum recommended boost level of 40 psig.