Zone Offroad 7/16 x 4in Center Pins (Pair) turn14-in-stock the RamBox rails need to

the RamBox rails need to be the OEM factory silver cargo rails

Replaces Cummins Part #: 3957081

Machined bellhousing and pump surface to eliminate wear and pressure loss

Ultra-thin design to maintain optimal spline engagement

Our Crush Proof body lift blocks are capable of holding up to 60

Zone Offroad 7/16 x 4in Center Pins (Pair) turn14-in-stock the RamBox rails need toManufacturer Part # : ZONU3012 Market Description A leaf spring center pin gets slotted through the hole found in the center of leaves to prevent lateral movement and keep them in contact with the axle. Your vehicle's stock center pins are generally just long enough for your stock leaf spring configuration, so when additional leaves (helper overload springs, or lift springs) are added, stock pins will need to be replaced with longer pins like these to