2021-26 Ford Bronco Teraflex HD Adjustable Upper Ball Joints

When your Bronco takes the hard line, these joints take the hit. TeraFlex HD Adjustable Upper Ball Joints are built for drivers who expect more than stock durability - combining precise engineering with trail-tested grit for unmatched performance on and off the road.
The large 30 mm metal-on-metal joint rides on a heat-treated chromoly stud and 1045 carbon-steel housing that shrugs off punishment. Dual helical grease grooves purge out grit with every pump, while the low-profile seal locks out contaminants for long, quiet service life.

Adjustable for wear and fully greaseable on-vehicle - no teardown required - these joints deliver smoother steering feel, improved alignment control, and articulation up to 94° for lifted or flex-heavy builds. Zinc-iron coating resists corrosion from mud, salt, and seasons of abuse.

Whether you’re crawling rock, carving dunes, or driving daily, TeraFlex HD Ball Joints keep your Bronco precise, predictable, and ready for whatever the trail throws next. Engineered to endure with trail-proven precision.

Features and Benefits

•         Heat-treated chromoly stud built for strength under load
•         1045 carbon-steel housing with threaded ring for added durability
•         Large 30 mm metal-on-metal design for tight steering and control
•         Fully greaseable and wear-adjustable—no disassembly needed
•         Dual helical grease grooves push out old grease for longer life
•         Low-profile seal keeps dirt and debris out
•         Zinc-iron coating protects against rust and corrosion
•         Up to 94° of articulation—ideal for lifted or flex-heavy setups
•         Direct-fit design for OEM upper control arms
•         Sealed for long-term reliability and quiet operation

Notes

• Direct replacement for factory upper ball joints
• Compatible with OEM upper control arms and lifted applications
• Sold in pairs