7.5 or 7-1/2 26 spline differential typically found in 1982-1987 S Trucks, M vans and F cars. This is a semi floating (c-clip) axle.
7.6 or 7-5/8 28 spline differential typically found in 1988-2005 S Trucks, M vans and F cars. This is a semi floating (c-clip) axle.
8.0 or simply 8″ 28 spline differential typically found in 2002-2011 Colorado / Canyon Trucks, Trailblazer series small trucks & SUV’s. This is a semi floating (c-clip) axle.
8.5 or 8-1/2 28 spline differential typically found in 1972-1987 cars, trucks & vans. This is a semi floating (c-clip) axle.
8.5 or 8-1/2 30 spline differential typically found in 1988-1998 cars, trucks, full size vans & SUV’s. This is a semi floating (c-clip) axle.
8.6 or 8-5/8 30 spline differential typically found in 1999-up half ton trucks, full size vans & 2000 up SUV’s. This is a semi floating (c-clip) axle.
9.5 or 9-1/2 33 spline differential typically found in 1982 up 1/2 ton & 3/4 ton trucks. This is a semi floating (c-clip) axle.
10.5 or 10-1/2 30 spline differential typically found in 1973 up 3/4 ton & 1 ton trucks. This is a floating (non c-clip) axle.
11.5 or 11-1/2 30 spline differential typically found in 1999 up 3/4 ton & 1 ton trucks. This is a floating (non c-clip) axle.