Ford Mustang T5 Aftermarket Performance 5th Gear Kit
.80 final drive
5th counter gear has 32 teeth
5th gear main shaft has 20 teeth with 28 splines

Fits:
Ford Mustang 1985-1993 2.3L
Ford Mustang 1994-2004 3.8L
Ford Mustang 2004 3.9L
Ford Mustang 2005+ 4.0L
Ford Mustang 1985-1995 5.0L