Same turbo we used to run our 7.91 at 190mph. 7385R s500 cover 1.28 t4

S400 Cover Similar in size to an s400 or GT42, the APX 400 offers unmatched power and speed for general XFWD class hi-performance cars and limited tractor classes. Boasting a dual Apex™ Wheel, a machined pressure port, T4 divided turbine housing and T4 undivided turbine housing, the 400 also comes with an aluminum center section and backing plate, a stainless steel heat shield, a triple ceramic ball bearing with steel cage, twin piston shields, stainless steel v-band turbine housing, optional custom map groove enhancement and a 1-year manufacturer’s warranty.

S500 cover Similar in size to an s500, GT47-GT55 or Holset HX60, the APX 500 offers unmatched power and speed for general hi-performance cars, sled pulling trucks and tractors and drag racing..