4-Door Kits
Upgrade your 4-door Jeep Wrangler JK with RockJock’s complete 4-door suspension kits. Engineered for the longer wheelbase and added weight of JK Unlimited models, these kits deliver improved articulation, ride quality, and off-road capability. Every component is designed to handle aggressive trails, heavy-duty use, and lifted setups while maintaining reliable on-road performance.
Popular 4-Door Suspension Upgrade Categories
- Complete Suspension Kits – Full systems tuned for 4-door JK weight and wheelbase
- Shocks & Springs – High-performance shocks and coil springs for lift and load
- Control Arm Sets – Johnny Joint upper and lower arms for maximum articulation
- Bump Stops – Fixed and adjustable bump stop kits for controlled suspension travel
- Sway Bar Components – End links, brackets, and sway bar upgrades
- Geometry Correction Brackets – Brackets to correct suspension alignment under lift
Fitment
- Jeep Wrangler JK 4-Door (2007–2018)
- Fits Sport, Sahara, and Rubicon trims
- JK-specific designs ensure compatibility with OE mounting points
