GT35R Turbo 56 Trim Compressor wheel 84 Trim Turbine wheel Water and Oil connection Must run coolent lines for turbo to last longer Larger Type-S (4in inlet) or Type-SP (4" inlet and ported with bullet holes for anti surge/pic shown in extra photos)Compressor Cover also Available The Type-E cover is a 3" inlet so its easy to find a filter or make a intake for. The outlet that connects to your intercooler pipes is 44mm as the SP is 58mm. Covers E 3" in 2" out S and SP are 4" in and 2.5" out