Rough Country - 61222-2.5-inch X-Series Suspension Lift System w/Performance 2.2 Shocks for Jeep: 97-06 Wrangler TJ 4WD, 04-06 Wrangler Unlimited LJ 4WD FEATURES: Easy bolt-on installation; Front adjustable track bar is made of forged solid steel for unsurpassed strength and durability; Quick disconnects easily store out of way when not in use; X-Flex control arms:; Clevite OEM style rubber bushings; Flex joints with 2.5-inch diameter body and huge 1.25-inch threads; Fully rebuildable and greasable;Upper joints pivot up to 20 degrees; Lower joints pivot up to 35 degrees NOTES: Fits 6-Cylinder engine models only KIT CONTENTS: Front: Lifted progressive coil springs, upper and lower adjustable X-Flex control arms, sway bar quick disconnects, forged adjustable track bar, and hardware; Rear: Lifted progressive coils springs, upper and lower adjustable X-Flex control arms, track bar drop bracket, and hardware; Shocks: (4) Performance 2.2 Shocks SPECS: Installation Time: 2-3 hours; Backspacing: Factory; Recommended Tire Size: 31-by-10.50; Weight: 156.42-lbs; Superseded: PERF612 FITMENT: Jeep: 97-06 Wrangler TJ 4WD, 04-06 Wrangler Unlimited LJ 4WD