Works for Many Big HP Applications, for 4 to 6 CLYN Engines, Such Civic B18/B20, K20/K24, S13 S14 240SX SR20DET, RB20/25DET, Eclipse 4G63, Toyota 1JZGE/GTE, 2JZGE/GTE. Also Works Well for Twin Turbo V8 Applications, Such as LSx, SBC, BBC Engines. Supports 400 to 500 HP. Comes with Water and Oil Fittings as Pictured Below. ITEM(S) SPECIFICATION: Inlet: 4" Outlet: 2.5" Bearing : Journal Bearing Turbine Housing Flange : Standard T3 Exhaust Outlet: 3" V-band Outlet HP Rating : 500HP Cooling : Oil and Water Cooled Working Pressure : 25 PSI Compressor: .70 A/R Turbine : .63 A/R Compressor Wheel : 62MM/82 MM Turbine Wheel: 68MM/63 MM