
Synergy MFG
- Synergy Manufacturing Heavy-Duty Ball Joint Kit (Upper/Lower) for 18-25+ Jeep Wrangler JL, JLU & 20-25+ Gladiator JT 4170-01-SKU: SYN-4170-01-As low as $251.96 Regular Price $314.95Would you trust metal on plastic ball joints in your Jeep Wrangler JL or Gladiator JT? Upgrade from your factory plastic nylon bearing design to Synergy's greaseable metal on metal Heavy-Duty Ball Joint Kit! Learn More















