IDP T4 S476 Complete Kit


Year Model

Full IDP T4 mounting kit with Irate S476 turbo, and all parts needed for installation!!  The kit will come with standard cover and V-band outlet compressor housing as well as V-band hot side pipe.

High-flow S400 model, with compressor flow over 115 lb/min.


Wheel Dimensions: 

  • Compressor: 76mm inducer, 105mm exducer, with exclusive Extended Tip Technology. 
  • Turbine: 83.5 inducer, 74mm exducer. Cast in Inconel 713 for high-temperature operation. 

Housing A/R:

  • Compressor .63, with 5.0″ hose-type inlet, and v-band-type discharge.
  • Turbine: T4 .90, 1.10, 1.10, or 1.25 A/R with ‘divided’ volute, featuring ‘T04-style’ turbine inlet flange (3.25″x2.75″), and quick-release v-band discharge flange. Cast in ductile iron.

**Waste-gate NOT available on 94-97 OBS trucks! 

**94-97 trucks must have electric fuel system to run our T4 kit.







Tags: Turbo Kit