The TiALSport BorgWarner BWVB3745-130 turbine housing is a stainless S400 housing specified at A/R 83.5mm with a 130 mounting configuration. Intended for high-flow turbo builds, this housing lets shops and builders select a particular A/R while using BorgWarner S400-compatible turbine hardware. It’s a fabrication component aimed at optimizing exhaust routing and flow for performance applications.

TiAL Sport BWVB3745-130 A/R 83.5mm S400 Stainless Steel Turbine Housing