Koyo bearings are manufactured in Japan and the USA to meet or exceed OEM standards --
Koyo Master Bearing Kit for Dana 30 JK Front Differential
DRK334DMK, ZK D30-JK
This kit uses Koyo bearings and races. Included are carrier bearings and races, pinion bearings and races, pinion seal, complete shim kit, ring gear bolts, pinion nut, crush sleeve, thread locker, marking compound with brush and gasket.