Fits Chevrolet applications, Center hole diameter 2.070 (1 pc rear main seal), Internal balance, 168 tooth ring gear, Clutch bolt patterns: GM 10.5?, 11? clutches with 11.625?, 12.625? bolt circles 3/8-16 thread, Ford Long Style 11? clutches with 12.375? bolt circle, 3/8-16 thread.
