Click to zoom in
SKU: 8009-12
Synergy Jeep JK/WJ HD Knurled Front Ball Joint Set Dana 30/44 (1999-2018) (w/2 Uppers + 2 Lowers)
This Synergy HD Knurled Front Ball Joint Set upgrades the front suspension on Jeep JK Wrangler (2007-2018) and WJ Grand Cherokee (1999-2004) models equipped with Dana 30 or Dana 44 axles.
The set includes two upper and two lower ball joints designed to handle extreme off-road conditions with a knurled stud that locks securely into the C cap. These ball joints deliver reliable steering precision and longevity under heavy use.
Key Features
- Knurled Ball Studs: Provide maximum grip inside the C cap to prevent spinning and ensure positive retention during aggressive wheeling.
- Heavy Duty Build: Features thicker outer plates and larger diameter pins than OEM for increased strength and impact resistance.
- Greaseable Zerk Fittings: Allow simple field maintenance with full circumference grease grooves for even lubrication and extended service life.
- Deep Snap Ring Groove: Secures the ball joint firmly in place with enhanced retention over factory designs.
- Complete Kit: Includes 2 upper ball joints, 2 lower ball joints, and a 5-gram grease packet for immediate installation.
Product Notes
- Inspect C caps for wear before installation. replace if damaged to avoid premature failure.
- Pump fresh grease into zerks after install and every 3,000 miles or after water crossings.
- Ships in protective packaging to prevent damage. store in a dry area until fitted.
Installation Notes
- Professional installation recommended.
- Requires a ball joint press tool for removal and installation of old and new joints.
- Torque upper ball joint nuts to 35 ft-lbs and lower to 110 ft-lbs. compatible with factory hardware.
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1999-2004 | Jeep | Grand Cherokee | WJ (All) |
| 2007-2011 | Jeep | Wrangler | JK (Sport, Sahara, Rubicon, X) |
| 2012-2018 | Jeep | Wrangler | JK (Sport, Sahara, Rubicon, Unlimited Sport, Unlimited Sahara, Unlimited Rubicon) |
Why Choose Synergy?
- Built in the USA with a focus on off-road durability for Jeep enthusiasts.
- Proven design tested on trails to outlast stock components in demanding conditions.
- Precision machined components for exact fit and smooth articulation.
Frequently Asked Questions
- Q: Will this fit my JK Rubicon with Dana 44 front axle?
- A: Yes, it fits all 2007-2018 JK models including Rubicon with Dana 30 or 44 front axles. direct replacement for worn factory joints.
- Q: What material are these ball joints made from?
- A: Constructed from high-strength steel with zinc plating for corrosion resistance and long-term durability.
- Q: What is the warranty on this set?
- A: Backed by Synergy's limited lifetime warranty against manufacturing defects when installed and maintained properly.
Shipping & Handling
- Method: UPS Ground or FedEx Ground
- Availability: In stock - ships same or next business day
- Packaging: Compact box measuring 9 x 7 x 5 inches
- Weight: 4.8 lbs
Premium Quality Ball Joints for Enhanced Vehicle Performance
Ball joints restore controlled suspension movement and steering geometry on trucks, SUVs, muscle cars, Jeeps, and daily drivers. Shop OE-replacement and heavy-duty upper and lower ball joints for Silverado, F-150, Ram, Wrangler, Tacoma, 4Runner, Camaro, Mustang, Civic, Jeep, GM HD, and Ford Super Duty applications. Black Ops Auto Works carries 99 ball-joint SKUs across pressed-in replacements, bolt-in service kits, heavy-duty off-road upgrades, control-arm replacement joints, boots, and specialty steering components. Filter by year, make, model, trim, engine, and drivetrain before ordering. What Ball Joints Do Ball joints connect the control arm to the steering knuckle while allowing the suspension to move and the wheel to steer. Worn joints can cause steering looseness, uneven tire wear, clunks, and poor alignment stability. Upper and Lower Locations Many vehicles use upper and lower ball joints, but the configuration varies by suspension design. Verify the exact axle position ...
View Premium Quality Ball Joints for Enhanced Vehicle Performance Products
Suspension
Suspension parts and complete kits for cars, trucks, SUVs, Jeeps, and off-road builds are stocked at Black Ops Auto Works. Shop coilovers, lowering springs, lift kits, leveling kits, shocks and struts, sway bars, control arms, tie rods, ball joints, bushings, chassis bracing, alignment hardware, air suspension, and complete stage kits from Bilstein, KW, Ohlins, Fox, KING, ICON, BC Racing, Silvers, Eibach, H&R, Swift Springs, Whiteline, Energy Suspension, Moog, SPC Performance, Rough Country, ReadyLIFT, BDS, Skyjacker, Air Lift, Firestone, and Black Ops Auto Works. Start with a matched shock and spring package or a full coilover kit, then layer in sway bars, chassis bracing, and camber adjustment hardware. Every part is filterable by year, make, model, trim, and drivetrain to confirm fitment before ordering. What This Category Covers Suspension is the highest-leverage handling upgrade on any vehicle. A properly matched shock, spring, and sway bar package produces measurable i...
View Suspension Products
Synergy Mfg
Synergy Mfg Jeep suspension and heavy-duty steering parts for Wrangler JK, JL, Gladiator JT, Ram 2500, Ram 3500 and Super Duty builds are stocked at Black Ops Auto Works. Shop control arms, track bars, drag links, tie rods, ball joints, lift springs, steering stabilizer mounts, shock mounts and steering correction kits. Every Synergy Mfg product is filterable by year, make, model, wheelbase, axle and suspension configuration so the correct off-road component ships the first time. Black Ops Auto Works carries 180 Synergy Mfg SKUs across suspension, steering, axle and lift-system hardware. What This Synergy Mfg Collection Covers Synergy Mfg develops heavy-duty suspension and steering upgrades for solid-axle Jeeps and trucks. Adjustable arms, track bars, steering kits and mounting solutions help correct geometry and improve durability on lifted or hard-used vehicles. Control arms and track bars Adjustable control arms set caster, pinion angle and wheelbase after a lift. Track bars ...
View Synergy Mfg Products