BRAKE UPGRADE KITSpecifications Item Description The ZF Axle Brake Seal Kit is used on various JLG SkyTrak Legacy and Lull telehandlers with ZF axles. The kit includes: one end shim, a snap ring, a sealing washer, a piston, a four lip ring, a u ring (piston inner), a supporting ring, an o ring (sealing washer), a cup spring, an oil dam, a u ring (piston outer), three (3) pressure pins, three (3) cap screws, three (3) O ring (sealing washer pressure pins), three (3) u