Turbine Housing, newer style for GT Turbo with T3 internal wastegated with built in swingvalve, with 5 bolt discharge. Use flange: ATP-FLS-075 for discharge (downpipe) mate up ;specify GT3071R, GT3076R, GT35R, specify AR: Applicable Garrett P/N's: 771300-0013 = 1.06a/r GT35R 771300-0002 = .82a/r GT35R 771300-0003 = .63a/r GT35R 771300-0004 = 1.06a/r GT30R 771300-0005 = .82a/r GT30R 771300-0006 = .63a/r GT30R 771300-0001 = 1.06a/r GT35R, previous part number