BD Single 300 series SX-E Borg Warner turbos kits that replace your OEM VGT turbo, providing enough air for more power, response and reliability; Turbo utilizes high flow T4 turbine housing; The SX-E turbo was designed for performance with a 360 thrust bearing and enhanced compressor wheel and housing; The high strength FMW Forged Milled Wheels are lighter and stronger and withstand higher wheel speeds ; Kit comes with BD's Performance Plus T4 6.7L exhaust manifold and gaskets; No extra piping required, it drops in place for an easy, clean installation ; Comp Wheel: 63mm 2.48in; Turbine Wheel: 76mm 2.99in; A/R Ratio: 0.91; Flow: 79 Lb/min; Approximate rated 550hp (depending on truck configuration)