The Rancho 4.5-in. short-arm lift kit, box 1 of 3 for Jeep Wrangler JL Unlimited, begins the three-box set that raises clearance to fit up to 37-inch tires and increase wheel travel. This box includes progressive-rate springs, control arms and initial mounting hardware; certain shock choices may require an aftermarket driveshaft for maximum front articulation. Order all three boxes for the complete kit.
Rancho 18-20 Jeep Wrangler Fr and R Short Arm Suspension System Component - Box One