Shipping Estimate
USA
- USA
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- USA
- CAN
Ships within 48 hours · Estimated delivery Jul 8 - Jul 13
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Description
Jeep HD Knurled Front Ball Joint Set Dana 30/44 2 Uppers 2 Lowers (SYN4120)Replace your Jeep's factory ball joints with Synergy MFG's Dana 30 44 Heavy Duty Ball Joint Set. These ball joints employ a metal on metal design to improve durability and performance. A must for vehicles with lifts and larger tires. Get rid of that steering wander and play caused by loose or worn out ball joints. Fits: 97 06 Wrangler TJ and 04 06 Wrangler Unlimited TJL 90 95 Wrangler YJ 90 01 Cherokee XJ 90 92 Comanche MJ 93 98 Grand Cherokee ZJ
Replace your Jeep's factory ball joints with Synergy MFG's Dana 30/44 Heavy Duty Ball Joint Set. These ball joints employ a metal on metal design to improve durability and performance. A must for vehicles with lifts and larger tires. Get rid of that steering wander and play caused by loose or worn out ball joints.
Fits:
- 97-06 Wrangler TJ and 04-06 Wrangler Unlimited TJL
- 90-95 Wrangler YJ
- 90-01 Cherokee XJ
- 90-92 Comanche MJ
- 93-98 Grand Cherokee ZJ
Features:
- Compatible with all aftermarket axle shafts (including RCV) with no modifications needed
- Fully Greasable metal on metal design for prolonged life
- Ball Joint bearing surface area is considerably larger than stock due to elimination of the inner nylon liner for a longer lasting joint
- Ball joint housing is manufactured from sintered graphite, bronze, and 1045 steel for a strong, smooth, bearing surface
- Ball joint stud is manufactured from induction heat treated 4140 steel for maximum strength and smooth operation
- Ball joint dust boot is made from wear/tear resistant black nitro-butile rubber (NBR)
- 12 Month Unlimited-Warranty (see warranty information)
- Synergy High Performance Grease (4119) recommended
Notes:
- Metal on metal ball joints require a small break-in period of typically 100-500 miles to fully seat the bearing surfaces.
- Knurled ball joints required when replacing knurled ball joints that have enlarged the axle end forging bores
- Non-Knurled ball joints recommended for replacing non-knurled ball joints
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.6 ★★★★★
Based on 640 reviews
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Product Reviews
★★★★★ 5
Slip ons worth slipping on…
Size: 9.5, Color: Black, Size: 9.5, Color: Black
Very stylish and comfortable. I love how light they are because I’m on my feet all day. The black leather is very deep and very rich. The elevated sole gives me a tad more height, too…which I like. And yes, they’re slip ons. Don’t let the laces fool you. For under $40, these shoes are a strong value to consider…
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 19, 2026
★★★★★ 5
I feel I’m walking on clouds
Size: 10, Color: Brown
I’m on my feet 6–8 hours a day working at the dealership, constantly walking the lot and helping customers—and I’ve gone through a lot of shoes trying to find something that actually holds up.
These Bruno Marc MaxFlex Dress Sneakers honestly surprised me. They look sharp and professional enough for work, but feel more like a comfortable athletic shoe than a stiff dress shoe. From day one, there was no break-in period, no soreness, just all-day comfort. I feel I’m walking on clouds!
If you’re in a job where you’re standing or moving around a lot but still need to look polished, these are hands down the most comfortable work shoes I’ve owned.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 26, 2026
★★★★★ 5
Dress shoes
Size: 9, Color: Light Brown/Coffee
Very comfortable and well made shoes.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 24, 2026
★★★★★ 3
Runs big
Size: 10, Color: Black
Too big , looks okay. Try 1 size down
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Reviewed in the United States on May 13, 2026
★★★★★ 5
Good value
Size: 12, Color: Black/White
Very good. Pretty comfortable and look sharp. Can't beat it for the price.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 31, 2026
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