The Maxtrac rear component box for the 4.5" lift kit for 2007–2018 Jeep Wrangler JK includes rear dual-rate coils, a rear track bar bracket, bump stop extensions and all necessary installation hardware. Delivered as a rear box, this set provides the rear suspension elements required for a 4.5-inch lift and is intended to work with corresponding front components to maintain balanced lift and handling.
MaxTrac 07-18 Jeep Wrangler JK 2WD/4WD 4.5in Lift Kit - Rear Component Box