This is a genuine Dana/Spicer limited slip differential for Ford GM Dodge applications with 35 spline axles. This is for 4:10 and numerically lower gear ratio’s (3;73, 3;54, etc.). This is a kit that includes differential shims, side bearings and 2 sets of different races, and ring gear bolts. This carrier is machined for an [...]

This is a genuine Dana/Spicer posi track differential. This is the helical or Truetrac style posi that uses worm gears instead of axle and spider gears with clutches. this is for 37 spline axles and is for 4:10 and slower (4:56, 4:63, 4:88 etc.). These were commonly found in F450 trucks from the early 1990’s [...]

This is a genuine Dana Trac Lok limited slip differential assembly for Ford and Dodge trucks with the Dana 80 and 35 spline axles. This carrier is for ratio’s 4:10 and down (4:63, 4:88, etc.) although it does work in some Ford trucks that had a factory 3:73 gear ration with a thin ring gear. [...]

This is a genuine Dana/Spicer loaded Trac-Lok differential for the Dana 35 rear differential found in some 2001-2006 Jeep Wrangler’s. This was also used in 2002-2003 Jeep Liberty’s. This is for use with 3:54 or numerically higher gear ratio’s (3:73, 4:10. etc.). This kit includes the 2 differential side bearings and a set of ring [...]

This is a genuine Dana Trac-Loc differential for Dodge and Jeep vehicles with the 8.25″ ring gear from 1997+ with 29 spline axles. This is what came out in these year vehicles from the factory if they had a posi track differential. They also make a nice upgrade when replacing an open differential. The new [...]