S400 T4 Turbine Housing
When your S400 turbo needs a fresh housing, don't settle for a mystery import. This is a purpose-built replacement made in Canada by Black Sheep Industries under the True North Turbos (TNT) brand.
Features & Benefits
Direct-Fit for S400 / S400SX Frame Turbos
Engineered specifically for the S400 and S400SX turbo family, this housing drops in without the guesswork or fabrication headaches that can come with ill-fitting aftermarket parts.
T4 Inlet Flange Compatibility
The T4 flange configuration pairs with diesel performance manifolds already popular in truck builds across North America, making it a straightforward bolt-on for your existing setup.
Wheel and A/R Options
Available with 83/74 and 87/82 turbine wheels in A/R ratios from 0.90 through 1.25. Smaller A/R spools earlier; larger A/R flows better at high RPM. See the S400 Turbine Housing and A/R Guide if you are not sure which to choose.
Built for Diesel Performance Applications
Whether you're refreshing a worn-out housing or stepping up your build, this housing is suited to the demanding duty cycles of diesel performance trucks.
Canadian-Made Quality
Designed and manufactured by Black Sheep Industries under the True North Turbos (TNT) brand. Buying Canadian means faster domestic shipping, no surprise brokerage fees for Canadian customers, and real support from people who know this market.
Priced in CAD
At $434.99 CAD, what you see is what you pay, with no currency conversion surprises.
Give your S400 the housing it deserves and keep your build moving with a part engineered with the same seriousness you bring to your truck.
S400 Guides
- S400 Turbo Guide: Sizes, Specs, Flanges and Fitment
- S400 Turbine Housing and A/R Guide
- S400 Turbo Flange Guide
FAQ
What turbo frames does this 400 T4 Turbine Housing fit?
It is engineered specifically for the S400 and S400SX turbo family.
What inlet flange does this housing use?
This housing uses a T4 inlet flange configuration.
What wheel and A/R combinations are available?
83/74 and 87/82 turbine wheels, in A/R ratios from 0.90 through 1.25.
Where is this turbine housing made?
It is designed and manufactured in Canada by Black Sheep Industries under the True North Turbos (TNT) brand.
Is the price listed in Canadian dollars?
Yes. The price is listed at $434.99 CAD.