Steering Components and Upgrades

  Teraflex Dana 30/44 HD Ball Joint Kit - Upper & Lower - Set of 4


TeraFlex JK/JKU Heavy-Duty Ball Joints are engineered to handle the increased load caused by oversized tires and offset wheels.




• JK Wrangler (2-door) w/ Dana 30 or 44 axle

• JKU Wrangler Unlimited (4-door) w/ Dana 30 or 44 axle




• Upper ball joints w/out knurl - pair

• Lower ball joints w/out knurl - pair




• Extremely hard sintered wear bushings to handle extreme side load demands w/out failure

• Magnesium Phosphate coating to inhibit corrosion throughout

• Heat treated 4140 chromoly ball/stud & 1045 carbon steel housing

• Factory-style serrated flange nut & grease fitting




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

• Wear plate features grease channels for increased flow through entire joint ensuring longevity & predictable operation

• Magnesium Phosphate coating to inhibit corrosion & friction throughout

• Heat treated 4140 chromoly ball/stud

• Huge 30mm (1.18”) ball

• Factory style serrated flanged castle nut

• Ball joint pre-load adjustability provides the end user w/ near effortless wear adjustment (kit includes Preload Adjustment Tool)

• Low-profile single lip dust seal eliminates torn conventional dust boot concerns

• Adjustable ball stud retaining ring for accurate initial & future preload adjustments that can be done w/out any axle disassembly

• Adjustable preload can be performed w/ simple hand tools

• Adjustable end cap w/ two zerk fittings allow greasing access from either side w/out axle shaft removal even w/ larger RCV shafts

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

• Low-profile seal prevents contaminants, while allowing spent grease to evacuate from the ball joint

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