Synergy D30/D44 Heavy Duty Front Ball Joint Sets

Only 2 left
SKU: 4120
Regular price $200.00

Product details

  • SKU 4120

Use this text to encourage communication or promote sharing on social networks.

You can also add links

Replace your Jeep's factory ball joints with Synergy MFG's NEW 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.

Synergy MFG's New And Improved ball joints are the result of actions that have been taken to address reports of premature wear on the previous iteration Product changes and manufacturing changes have both been made to guarantee you are getting the highest quality ball joints on the market.


  • Compatible with all aftermarket axle shafts (including RCV) with no modifications needed
  • Ball Joint bearing surface area is considerably larger than stock due to elimination of the inner nylon liner for a longer lasting joint


  • New and Improved Ball Joints - Part #'s 8009-1204 and 4120-04
  • Fully greasable metal on metal design for prolonged life
  • 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