Fresh 3.89 28 spline locker rear end Not correct for any Shelby, but a good high performance 9″ rear end C2AW-A case as used in 62-64 Galaxie and 427 Fairlane Thunderbolt Good C3AW gears with good pattern .008” ring/pinion lash adn .002 ring runout. all new Timken bearings D1OW Big Bearing NASCAR style pinion retainer set up with solid spacer N-Case yoke Billet main cap adjusters snubber and shield for mustang 9” also avaiable: 3″ driveshaft, fresh built for N-case in a ’65-’66 Mustang.