Precision Turbo - LS-Series PT 7675 Turbocharger Entry LevelHP Rating: 1,150 Featuring a 76mm cast compressor wheel and a 75mm turbine wheel, this Entry Level turbocharger is an excellent match for the widely popular LS family of engines. Purpose built with the LS enthusiast in mind, this unit features a 360* hydrodynamic bearing system for exceptional reliability and increased thrust capacity. The turbocharger is available with (2) different turbine housing A R ratios (T4 . 81 A R and T4 . 96 A R), making it