ICON Vehicle Dynamics K40004T Stage Suspension System Lift Tubular UCA - 4 3-4

The ICON Vehicle Dynamics K40004T Stage 4 Suspension System transforms your 2021-2023 Ford Bronco (Non-Sasquatch) with precision-engineered performance that delivers exceptional on-road comfort and extreme off-road capability. This complete suspension system features custom-valved remote reservoir coilover shocks, tubular upper control arms with patented Delta Joint PRO technology, and ICON-engineered triple-rate coil springs designed specifically for maximum travel and superior ride quality.

Remote Reservoir Coilover Technology:

• Vehicle-specific tuned 2.5" remote reservoir coilovers front and rear with custom valving for superior damping and control
• Remote reservoirs dramatically increase shock oil volume and heat dissipation surface area to prevent overheating and cavitation during hard use
• Corrosion-resistant CAD plated coilover shock bodies with 7/8" diameter shafts for durability
• Adjustable ride height: 3-4" front lift and 2-3" rear lift on 4-door Broncos
• Fully serviceable shock design for long-term performance

Tubular Upper Control Arms:

• Patented Delta Joint PRO (U.S. Patent 10,731,700) allows up to 90 degrees of total articulation
• Provides critical caster correction for improved steering feel and drivability at lifted heights
• PTFE-lined spherical bearings for smooth operation and extended service life
• Tubular steel construction offers exceptional strength at a lighter weight than stock

Advanced Suspension Components:

• ICON-engineered triple-rate rear coil springs optimize ride quality for near-stock weight Broncos
• Rear shocks oriented shaft-up to maximize suspension travel
• 6061 aircraft-grade aluminum CNC machined components throughout
• Application-specific mounting hardware and PTFE-lined spherical bearings included

Performance Specifications:

• Up to 11.5" front suspension travel and 14" rear suspension travel with 35x12.50" tires
• Compatible with 37" and larger tires when using optional up-travel limiters (sold separately)
• Fits OEM wheels and tires; recommended aftermarket: 17x8.5" with 5.75" backspace / 25mm offset
• 100% bolt-on installation—no drilling, cutting, or welding required

Important Installation Notes:

• Designed specifically for 2021-2023 Ford Bronco Non-Sasquatch models
• Factory crash bars must be removed to clear 35" and larger tires (ICON High Clearance Crash Bar set #42000 available separately)
• When running 37" tires, up-travel limiters required (front #611075, rear #611074)
• When using factory lower links, hose route kit #611072 required
• 2-door models will sit taller than 4-door models
• Lift heights are for stock-equipped vehicles; added weight will affect final ride height

What's Included:

• Front 2.5 VS RR Coilover Kit (#48700)
• Rear 2.5 VS RR Coilover Kit (#48710)
• Tubular UCA Delta Joint PRO Kit (#48400DJ)
• All necessary mounting hardware and bushings

This Stage 4 system represents ICON's commitment to engineering excellence, delivering a suspension that excels in harsh off-road environments while maintaining superior daily drivability. The remote reservoir design prevents damper fade during extended high-speed runs through rough terrain, while the triple-rate coil springs provide a comfortable ride that rivals factory comfort on the street.