This kit dramatically improves traction and durability by adding a Yukon Trac Loc LSD and an upgraded ring and pinion set to your diff. It’s also an opportunity to generate next-level acceleration by moving to a more aggressive gear ratio.
Fits Ford 9” differential with Daytona pinion support
28 spline pinion gear
4.11 ratio
Includes Trac Loc positraction LSD, 31 spline
Coverage includes ‘65 to ’73 Mustang, ’60 to ’70 Falcon, ’67 to ’79 Cougar, 23 other models, or anything hot-rodded with a Ford 9-inch
3.062” bore housing
Includes positraction unit, ring and pinion gear set, and all required bearings and installation hardware