Explorer Nut Conversion Kit – 95-27997 – For owners of full time 4WD vehicles, count on these kits to reduce wear and tear as well as saving at the gas pump. Reduce wear and save on fuel with our Explorer Nut Conversion Kit. Designed for full-time 4WD vehicles, it's the perfect solution for improved performance. Easy-to-follow instructions included Hub Conversion Kit Required On Some Applications If Is Automatic Locking Hubs Built To Last