JL / JT: Dana 30/44 HD Ball Joint Kit w/out Knurl (2 Upper & 2 Lower)

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.

Features & Benefits:

• Threaded ball stud retaining ring designed for precise preload adjustment during assembly and future adjustments

• 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

• 2 grease zerk fittings are accessible from either side w/ axle shafts installed

• Dual helical grease grooves machined in the ball stud allow spent grease to exit through the low-profile seal

• Heat-treated 4140 Chromoly ball studs

• Heat-treated 1045 carbon steel housing and threaded retaining ring

• Magnesium Phosphate coating provides corrosion resistance and decreases friction

• Hard alloy tool steel slotted wear plate for ball stud to socket wear protection

• Magnesium phosphate coating provides corrosion resistance and decreases friction

• Includes factory-style slotted nuts and cotter pins

• Low profile single lip dust seal prevents contaminants compared to easily torn conventional dust boots

• Heavy-duty snap ring on upper ball joint prevents ball joint separation from the axle during extreme off-roading

• Ball joint preload adjustability provides the end user w/near-effortless wear adjustment

• Preload adjustment requires simple tools and can be performed with the vehicle on the ground

• 1 large set screw on each ball joint

• Large 8-sided adjuster handles more torque

Fitment Info:

• JL Wrangler (2-door)
• JL Wrangler Unlimited (4-door)
• JT Gladiator (pickup)

• Dana 30 Front Axle
• Dana 44 Front Axle

• Will NOT fit with RCV axle shafts

Product Notes:

• Ball Joints w/out Knurl won’t score the inner knuckle and open the bore.

• Ball Joints w/ Knurl are for inner knuckles that have a “loose press fit” due to repeated ball joint replacement and/or where knurled ball joints have been installed.