
TeraFlex JL / JT: HD Ball Joints are engineered to handle the increased load caused by oversized tires and offset wheels. Fits all JL Wrangler/Unlimited and JT Gladiator models with Dana 30 or Dana 44 front axles. Threaded ball stud retaining ring designed for precise preload adjustment during assembly and future adjustments 2 grease zerk fittings are accessible from either side w/ axle shafts installed, including larger RCV shafts 30mm (1.18”) adjustable ball stud for accurate initial and future preload adjustments using simple hand tools — innovative feature ensures a long-life w/ flawless and predictable operation Preload adjustment requires simple tools and can be performed with the vehicle on the ground Heavy-duty snap ring on upper ball joint prevents ball joint separation from the axle during extreme off-roading MODEL NO - 3452010