Verify if your front axle requires 1 or 2 of the larger u bolts. These will positioned next to the differential and wrap around the casting instead of the axle tube itself.  

Rusty's U-Bolt Kits are designed to provide a complete replacement solution for worn or damaged U-bolts on your axle. Each kit includes four Grade 8 U-bolts, flat washers, and nuts.

Kit#1 Includes: 

RC-UB-4 (QTY:1)

RC-UB-5 (QTY:3)

Kit#2 Includes: 

RC-UB-4 (QTY:2)

RC-UB-5 (QTY:2)

Please Note: U-bolts could either be zinc plated or e-coated black.