If you are already
running a Yukon Grizzly Locker and want to marry it with our DHD Heavy Duty 38
Spline Axles we have an upgrade kit for you! These heat-treated 4340 axle
couplers will install in your Yukon Grizzly Locker without any modification.
Just remove the factory Yukon couplers, install ours, and you are ready to go.