UMI Performance 3/4" Extended Length Leaf Spring Pin Kit F-150 15-26

This leaf spring pin kit (6577) assists your 2015-2026 F-150s in maintaining correct driveline alignment and leaf spring centering. It is ideal for lowered trucks or applications using pinion angle shims, where factory pins often fall short in length. Each pin is precision-machined from 4140 chromoly steel, ensuring unmatched strength and durability. The extended head design offers additional engagement when aligning the leaf springs, providing a secure, vibration-free fit.

Features and Benefits:
- Precision-machined 4140 chromoly construction
- Extended-length design ideal for lowering kits and pinion angle shims
- Black zinc finish for corrosion resistance
- Ensures accurate leaf spring alignment
- Reduces vibration and driveline stress
- Includes four pins with Grade 8 hardware
- 1/2"-20 thread, 4.25" total length, 0.850" pin length, 3/4" pin diameter
- Direct bolt-in replacement for factory pins

Vehicle Fitment:
- 2015-2026 F-150s
- Fits 2WD and 4WD models