The Yukon Trac-Loc limited-slip for 9" Ford housings with 31-spline axles is tuned for street and everyday use, providing smooth, predictable traction for daily driving. Its drop-in behavior enhances stability without abrupt engagement. Features include a nodular case, forged 4320 chromoly spider gears, composite clutches, a 4-pinion design and two preload springs, and a fully rebuildable construction.
Yukon Gear Trac Loc For Ford 9in With 31 Spline Axles. Street Design