Description
Maximum Traction, Minimal Cost – Trusted by Offroad Enthusiasts Across Utah
Upgrade your Ford’s differential with the Spartan Locker, a mechanical lunchbox locker designed for unbeatable 100% lockup traction without the high price tag. Perfect for off-road builds, rock crawlers, or daily drivers looking for added traction, this locker is easy to install thanks to its innovative spring-and-pin design — no thrust washers needed.
Crafted from high-strength 9310 steel, the Spartan Locker fits Ford 8″ and 9″ axles with 28 or 31 spline configurations and works with stock side gears in a standard carrier case. Whether you’re trail riding in the Wasatch or crawling Moab, this locker delivers reliable traction exactly when you need it.





