Fits the following Eaton Posi's 19686-010 - GM 55P - 17 Spline 19603-010 - GM 8.2"Chevy - 28 Spline 19670-010 - GM Vette CI - 17 Spline 19674-010 - GM 8.2" BOP - 28 Spline 19557-010 - GM 8.5" - 28 Spline 19559-010 - GM 8.5" - 30 Spline 19605-010 - Ford 8.8" - 28 Spline 19588-010 - Ford 8.8" - 31 Spline 19587-010 - GM 12 Bolt Truck 3 Series 19556-010 - GM 12 Bolt Truck 4 Series 19554-010 - GM 12 Bolt Car - 3 Series 19555-010 - GM 12 Bolt Car - 4 Series |