Ball bearing Garrett 60-1 turbo .70 T04S compressor housing with 4" inlet and 2.5" outlet w/P-Trim Turbine wheel. Oil and water-cooled. oil drain flange is T3/T4 style. 14mm coolant ports. Great 550HP turbo. Garrett factory assembled and balanced. Available Divided T4 Housing A/R, .70, .84, 1.00, 1.15, 1.52 Undivided T4 .68, .81, and .96 A/R as well as T31 (T3) with 4 bolt outlet now available in .63 and .82 A/R.