Yukon Gear & Axle Add to Cart Yukon Gear Trac Loc Positraction / Ford Super 8.8in / 34 Spline / 15-20 F-150 - YC F8.8-4-34T/L MSRP: Was: Now: $747.89 The Trac Loc is a less aggressive, street-friendly clutch-type limited slip unit that is suitable fo…