9" Ford Trac-Loc with 28 Spline; Limited Slip; Aggressive - 4 Preload Springs mustang Experience has proven that this

Experience has proven that this flange size is ideal to maintain header integrity and be pliable enough to seal each exhaust port

the SB054 is cold formed to better resist torsional fatigue and retain its "memory" far longer than the hot-formed bars used by many competitors

GM 4L60E - 4L85E transmissions with PRNDL switch requires optional lever kit #70499

For Borg Warner EFR Turbos

9" Ford Trac-Loc with 28 Spline; Limited Slip; Aggressive - 4 Preload Springs mustang Experience has proven that thisYukon Dura Grip is a positraction limited slip differential that provides smooth yet aggressive traction, giving you the confidence and performance you need across a wide variety of terrains. The Dura Grip is engineered for long life and is completely rebuildable. Dura Grips are constructed with a high strength nodular case, forged 4320 chromoly spider gears, and composite clutches. For unmatched positraction performance, the Dura Grip is the ultimate