ICON K40003X is the manufacturer's 2021-2026 Ford Bronco, Non-Sasquatch, 3-4" Lift, Stage 3 Suspension System, Billet, Heavy Rate Rear Springs. The system is supplied with the exact component packages and quantities listed below. Follow the application, clearance and installation notes for the vehicle configuration before ordering.

System contents

• 1 × 48600 — 21-26 BRONCO FRONT 2.5 VS IR COILOVER KIT
• 1 × 48500DJ — 21-26 BRONCO BILLET UCA DJ PRO KIT
• 1 × 48613 — 21-26 BRONCO REAR 2.5 VS IR COILOVER KIT HEAVY RATE SPRING

Product features

• Improved suspension performance and ride quality over stock
• Up to 11.5" front / 14” rear wheel travel with 35” tire fitment
• Vehicle specific tuned internal reservoir front and rear shocks for superior damping and vehicle control
• Adjustable coilovers yield up to 3-4" of front lift height and 2-3” of rear lift height over stock 4-door non-Sasquatch Broncos
• PTFE lined spherical bearings and application specific mounting hardware
• 6061 Aircraft grade aluminum CNC machined components
• Corrosion resistant CAD plated coilover shock bodies with 7/8” diameter shafts
• ICON engineered coil springs featuring a unique dual rate rear coil design with increased spring rates for heavier equipped Broncos
• High strength alloy CNC machined lower bar pins
• Billet aluminum UCAs for added strength, durability, and on-vehicle caster/camber adjustment for optimum drivability
• UCAs feature the patented (U.S. Pat. 10,731,700) Delta Joint Pro with 90 degrees of total articulation.
• 100% Bolt-on system - no drilling, cutting, or welding necessary for install

Application and installation notes

• OEM Wheels & Tires Fitment: No
• Recommended Aftermarket Wheels: ICON Alloys - 17x8.5" w/ 4.75” Backspace / 0mm Offset
• Recommended Aftermarket Wheels: ICON Alloys - 18x9" with 5" Backspace / 0mm Offset
• Recommended Aftermarket Wheels: ICON Alloys - 20x9" with 5" Backspace / 0mm Offset
• Recommended Aftermarket Tires: 35" x 12.50" (Recommend high clearance crash bars part number 42000, 37" tires require coilover bump stop spacers along with trimming and modifications)
• APPLICATION NOTE #10: Will not fit Bronco Raptor
• APPLICATION NOTE #66: 2 Door Models Will Sit Taller Than 4 Door Models.
• APPLICATION NOTE #132: When Running 37" Tires Use Up Travel Limiters Part #611075 In The Front
• APPLICATION NOTE #133: When Running 37" Tires Use Up Travel Limiters Part #611074 For The Rear
• APPLICATION NOTE #135: Lift Heights & App Notes Based Non-Sasquatch Equipped Vehicles
• APPLICATION NOTE #138: Recommend High Clearance Crash Bars Part #42000 On Non-Sasquatch Equipped Vehicles When Running 35" Tires
• APPLICATION NOTE #139: When Running 37" Tires Crash Bar Removal May Be Required But Is Not Recommended
• APPLICATION NOTE #150: Shocks Are Fully Serviceable
• APPLICATION NOTE #155: Requires recalibration of Advanced Driver Assistance Systems (ADAS) after install
• APPLICATION NOTE #267: Fitment testing done with ICON & OE steering components. Due to tight clearances to front coilovers, certain aftermarket steering components may not be compatible.
• APPLICATION NOTE #273: ICON Heavy Rate Rear Coil Springs are optimized for increased rear ride height on Broncos with additional weight added to the rear. ICON Heavy Rate Rear Coil Springs will result in a slight positive rake when the Bronco is unloaded.