Rough Country - 500-77-79.20-4-inch Suspension Lift System w/Premium N2.0 Shocks for Ford: 77-79 F100 4WD, 77-79 F150 4WD FITMENT: Ford: 77-79 F100 4WD, 77-79 F150 4WD NOTES: Rear spring kit retains factory lift block KIT CONTENTS: Front: Lifted coil springs, track bar bracket, 7-degree C-bushings, and hardware; Rear: Leaf springs and u-bolts; Shocks: (4) Premium N2.0 Shocks SPECS: Installation Time: 5-7 hours; Recommended Tire Size: 35-by-12.50; Weight: 241.14-lbs; Superseded: 500-77-79H FITMENT: Ford: 77-79 F100 4WD, 77-79 F150 4WD