Jeep JK: Dana 30/44 HD Ball Joint Kit W/ Knurl - Upper & Lower - Set Of 4, (TF3442022)

JK: Dana 30/44 HD Ball Joint Kit W/ Knurl - Upper & Lower - Set Of 4, (TF3442022)

Heat treated 4140 chromoly ball/stud and 1045 carbon steel housing - Magnesium Phosphate coating to inhibit corrosion throughout Upper Ball Joint

• Extremely hard sintered wear bushings to handle extreme side load demands w/out failure
• Factory-style serrated flange nut and grease fitting Lower Ball Joint:
• Hard alloy tool steel slotted wear plate for ball/stud to socket wear protection
• Wear plate features dual helical grease channels for increased flow through entire joint ensuring longevity and predictable operation
• Factory-style serrated flanged castle nut
• Low-profile single lip dust seal prevents contaminants
• 30mm (1.18") adjustable ball stud for accurate initial and future preload adjustments using simple hand tools
• 2 grease zerk fittings allow greasing access from either side
• JK Wrangler (2-door)
• JK Wrangler Unlimited (4-door)
• Ball Joints w/out Knurl wont 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. 

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CA Residents: Prop 65 Warning