ICON 21-23 Ford Bronco Rear Heavy Rate Coil Spring Kit

The ICON Vehicle Dynamics Heavy Rate Rear Coil Spring Kit is a dual rate coil spring kit that provides extra weight capacity for those who frequently load out the rear of their Broncos with extra gear and equipment while maintaining excellent on- and off-road performance characteristics. The Heavy Rate Coil Spring Kit simply includes the replacement Heavy Rate coil springs used to retrofit existing ICON Rear Coilovers to the Heavy Rate specification. This Heavy Rate Coil Spring Kit is a perfect all-around rear coil spring for those who either keep their Broncos heavily loaded full time, or only for occasional expeditions yet want to maintain the best possible performance across various load-out scenarios with taller ride heights under load compared to the standard ICON triple rate Bronco rear coil springs.

Additional Information

The ICON Heavy Rate Coil Spring Kit is a dual rate coil spring kit that provides extra weight capacity for those who frequently load out their Broncos with extra gear and equipment while maintaining excellent performance characteristics.

Part Type

Coil Spring Set

• Designed for full time large cargo loads
• Increased cargo load carrying capacity with less suspension squat
• Retrofits onto existing ICON Bronco rear coilovers
• Semi-gloss black powder coat finish for excellent corrosion resistance
• Unique ICON engineered dual rate coil spring guaranteed for life against sagging and breaking

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Product Details

Product Downloads

#	Document Type	Download
1.	Installation Instructions

Installation guides, warranty details, and other supporting documents are provided by the supplier. In some cases, these files may originate from regions outside your locale, meaning instructions, warranty procedures, and images may not fully align with your specific vehicle or region (e.g., LHD vs. RHD differences, return policies, etc.). If you need clarification, please contact a StreetFX support agent.

Reference Information

21-23 BRONCO HEAVY RATE REAR COIL KIT

ICON Vehicle Dynamics dual rate spring kits offer incredible ride quality, handling, and performance. Available for front and rear, they allow a softer initial rate for on-road comfort and a firmer secondary rate for stability and bottoming resistance off-road. Whether you're hauling payload, loaded for an expedition, just carrying a spare tire, or a spirited off-road driver, Icon offers a selection a dual rate coil springs to successfully meet your needs for suspension support.