Brute strength matters, that is why the bodies of our hubs are crafted from impact resistant nodular iron, and feature a corrosion resistant die cast aluminum cap.
With the money you save you'll be able to carry a spare set, not that you'll need them.. Sure you have to get out of the cab to lock the hubs, but unlike automatic hubs you won't have to wait until you lose traction for your four-wheel drive to engage 86-89 Nissan Pathfinders and 86-93 pickups;Hubs have hardened nylon center instead of metal;Crafted from impact resistant nodular iron;Corrosion resistant die cast aluminum cap;Better 4WD performance when locked;Improved fuel economy in 2WD when unlocked;Sold as a pair;California Residents:WARNING Alloy USA Locking Hub Set (Polished Aluminum) - 15001.Factory automatic hubs have a history of failing when you need them most.