Synergy 07-18 Jeep Wrangler JK/JKU Rear Lift Springs 2 DR 4.0in 4 DR 3.0 Inch

Rear lift coils for 2-Door and 4-Door Jeep JK Wranglers. Synergy coils offer excellent off road performance while preserving ride quality. Progressively wound; keeps spring from coming unbound at suspension droop. Progressively wound spring eliminates annoying spring clanking found on most suspension kits. Feature frequency balanced and tuned spring rates to maximize suspension performance on and off road. Suspension components feature an abrasion-resistant black powder coat finish for maximum durability and corrosion resistance. Springs are designed to give the advertised amount of lift with use of aftermarket rear bumpers & tire carriers. Sold in Pairs.