3" Drop Springs 4" Shackles Shocks Lowering Kit For F100 F150 1973-1979 The front drop coils and shocks lower the vehicle by 3 inches in the front.The rear shackles and hangers provide a 3 or 4 inch drop in the rear.All necessary hardware is included for bolt-on installation.This kit offers a cost-effective solution to reduce the front and rear body height without requiring expensive drop leaf springs or conversion to drop spindles.Application: Fits F100 F-100 1973–1979 2WD and F150 1975–1979 2WD Specifications: Front Drop: 3 inches Rear Drop: 3 or 4 inches Front Components: - 2 x 3 inch drop springs, length 350mm (13.77 inches), spring rate 7.5 kg/mm (419.98 lbs/in) - 2 x front shocks - Piston rod diameter: 18mm (0.70 inches) - Piston diameter: 32mm (1.25 inches) - Outer cylinder diameter: 50mm (1.95 inches) - Extended length: 385mm (15.15 inches) - Collapsed length: 285mm (11.22 inches) - Travel length: 100mm (3.93 inches) Rear Components: - 2 x spring leaf hangers (front of rear) - 2 x spring leaf shackles (rear of rear) - 2 x rear shocks - Piston rod diameter: 18mm (0.70 inches) - Piston diameter: 32mm (1.25 inches) - Outer cylinder diameter: 50mm (1.95 inches) - Extended length: 635mm (25 inches) - Collapsed length: 425mm (16.73 inches) - Travel length: 210mm (8.26 inches) Package Dimensions: 54 x 36.5 x 37 cm Weight: 34.32 kg Features: Springs constructed with chromium-silicon cold-wound technology for tensile strength and resilience.Black powder coating provides corrosion resistance.Shocks are nitrogen-filled to enhance ride quality and handling, designed to respond quickly to changing road conditions.Use of oil ensures consistent shock absorber performance across varying weather conditions.Shackles and hangers made from 6mm thick steel plates with strong welds to.Package Includes: - 2 x 3 inch front drop springs - 2 x front shocks - 2 x spring leaf hangers (front) - 2 x spring leaf shackles (rear) - 2 x rear shocks