Teraflex JK HD Dana 44/30 Upper & Lower Ball Joint Kit w/o Knurl

TeraFlex HD ball joints are engineered to handle the increased load caused by oversized tires and offset wheels. The upper ball joint incorporates hard sintered wear bushings to handle extreme side load demands without failure. The lower ball joint features a threaded top cap for adjustable preload and allows grease servicing without axle shaft removal, even with larger RCV shafts. A machined grease passage in the lower joint housing assembly provides lubrication access without affecting the ball joint load surface. These ball joints fit 2007-2012* JK Wrangler Dana 30 and Dana 44 axles.

Upper ball joint features

Extremely hard Sintered wear bushings to handle side load demands without failure

Magnesium Phosphate coating to inhibit corrosion throughout

4140 chrome moly Ball/stud and a 1045 carbon steel housing

Factory style serrated flange nut and grease fitting Lower ball joint features

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

4140 chrome moly ball/stud with magnesium phosphate anti-corrosion coating

Factory style serrated flanged castle nut

Adjustable end cap with lateral greasing access for easy on the Jeep servicing

CR black Neoprene boot locked into position with both a spring as well as a spring steel ring

Note: Fits 2007-2012* JK Wrangler Dana 30 & Dana 44 axles. We recommend ball joints without knurls as they will not score the inner knuckle and open up the bore. We also offer ball joint with knurls for ball joints that have a loose press fit in the inner knuckle due to repeated ball joint replacement or if knurled ball joints have been installed in the past.

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Specifications