9 Inch Ford Trac-Loc With 28 Spline Limited Slip Aggressive - 4 Preload Springs 9 Inch 28 Spline HD T/L Race (Will Chatter & Needs T/L Bolts) Yukon Gear & Axle Apparel / Accessories - Apparel & Lifestyle - Key Holder Bolt-On Installation: Featuring a 100

Bolt-On Installation: Featuring a 100 percent bolt-on design that requires no cutting

Just above the maintenance-free magnetic pickup there is a chromoly mechanical advance assembly that provides smooth advance of the timing and is easy to adjust

If you are using the magnetic pickup input (green and violet wires) to trigger your MSD Ignition

Replaceable heat-sealed windows (18 percent tint) meet U

9 Inch Ford Trac-Loc With 28 Spline Limited Slip Aggressive - 4 Preload Springs 9 Inch 28 Spline HD T/L Race (Will Chatter & Needs T/L Bolts) Yukon Gear & Axle Apparel / Accessories - Apparel & Lifestyle - Key Holder Bolt-On Installation: Featuring a 1009 inch Ford Yukon Trac Loc with 28 Spline. Limited Slip Aggressive Design 4 Preload Springs 4 Pinion Design Yukon 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