BorgWarner S400 T4 Turbine Housing. Fits 83/74 Turbine Wheel 1.25 AR Divided Twin Scroll. Recommended for those using a 1.10AR in compounds and are want to reduce drive pressure.
BorgWarner S400 T6 1.25 AR Turbine Housing. Fits 83/74 Turbine Wheel. Divided Twin Scroll
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