Fits Ford Flathead 8BA applications, Center hole diameter 1.575", Internal balance, 112 tooth ring gear, Clutch bolt patterns: Ford Long Style 10.5" clutches with 11.375" bolt circle, 5/16-18 thread, Ford Long Style 11" clutches with 12.375" bolt circle, 5/16-18 thread, GM 10.5" clutches with 11.625" bolt circle, 3/8-16 thread.
