Premium cast stainless steel exhaust housings from TiAL TiAL V-Band turbine housing For GT28 series with 0.86 A/R Premium cast stainless steel exhaust housings from TiAL Lightweight stainless steel turbine housings for the GT/X 28 series turbochargers, compatible with the 76 trim 53.9mm turbine wheel - 33% Turbocharger weight reduction vs iron housing - Investment cast stainless steel for a beautiful, smooth interior and exterior - Vband inlet and outlet gets rid of gaskets and bolts, no leaks and no broken bolts - Two A/R options - Overall physical size is smaller than standard housing, allowing it to fit in tight engine bays - Better heat retention than cast iron - Pivoting of the turbo 360* possible For Turbo: GT28 A/R ratio: 0,86ar