The Yukon Trac Loc positraction carrier is made for Ford 8.8" differentials with 31-spline axles and provides limited-slip function. Cast and machined to tight tolerances, this carrier supports Trac Loc operation and is specified to fit 8.8" housings with 31-spline axles. It offers a ready option for restoring factory-style positraction to common Ford rear ends.
Yukon Gear Trac Loc Positraction / Ford 8.8in / 31 Spline