Alloy USA Dana 30/44 JK Heavy Duty Ball Joints - 11800 - ALY11800
07-18 Wrangler JK, 2 & 4 Door;99-04 Grand Cherokee WJ;Includes 2 upper and 2 lower ball joints;High strength steel socket inner insert;Made of 4140 Chromolly steel; California Residents: WARNING The Alloy USA JK H/D ball joints have been designed with a low profile (grease) zerk fitting for regular maintenance, a feature not offered on factory replacement parts. Inner insert has been replaced with a high strength steel socket. Replaces factory plastic nylon insert. This steel insert greatly increases ball joint strength and durability. This is a must for lifted vehicles running an tire larger than stock applications. Ball and socket are assembled using an exclusive threaded preload system that insure precise tolerances for prolonged joint life and precise steering. Ball & shaft are constructed from industry leading SAE 4140 Chromoly steel. Combined with steel insert ensures that these ball joints are an industry leader in durability and strength.