Synergy D30/D44 Heavy Duty Front Ball Joint Set (2) Upper / (2) Lower, (D30/44) JK, WJ. Complete Set includes: (2) upper, (2) lower. 12 Month Unlimited-Warranty
- Designed to replace the factory ball joints that are prone to premature wear on lifted vehicles with large off-road tires.
- Fully greasable metal on metal design. Machined bearing housing made from sintered graphite, bronze, and 1045 steel for a strong, smooth, bearing surface.
- Ball joint stud made from 4140 steel with an induction heat treated bearing surface for smooth operation and maximum life.
- Ball joint boot is made from tear/wear resistant silicone polyurethane.
- Outperforms the factory ball joint assembly and includes all necessary hardware for installation.
- Designed to replace the factory ball joints that are prone to premature wear on lifted vehicles with large off-road tires.
- Fully greasable metal on metal design. Machined bearing housing made from sintered graphite, bronze, and 1045 steel for a strong, smooth, bearing surface.
- Ball joint stud made from 4140 steel with an induction heat treated bearing surface for smooth operation and maximum life.
- Ball joint boot is made from tear/wear resistant silicone polyurethane.
- Outperforms the factory ball joint assembly and includes all necessary hardware for installation.
