Includes 10.75", 11.06, and 11.5" 6 bolt torque converter bolt patterns (compatible with the largest selection of bolt patterns)
Common torque converter bolt patterns: 10.75" fits Powerglide, TH350, 2004R, 700R4, 4L60, (SBC & Non LS with 4L60E), 11.06 (LS & 4L60E with LS engine), and 11.5"(TH400 & 4L80E)(Will not fit 1999-2000 6.0L or LSA/LS9 (8 bolt flywheel engines). These years have extended length crankshaft flange and will NOT fit.)