Springs

Linear vs. Dual-Rate Dynamic Progression Mechanics

Standard OEM UTV springs typically utilize a linear spring rate, meaning the coil compresses at a single, unchanging resistance profile across its entire length. While smooth on flat roads, linear springs easily bottom out over hard washouts when your vehicle is loaded down with gear. Upgrading to an off-road dual-rate spring kit introduces a multi-stage compression curve. The kit utilizes a softer tender spring stacked over a stiffer main spring, separated by a high-impact slider. The tender spring compresses smoothly over small rocks and trail chatter, while the main spring engages during deep compressions to provide firm, heavy-duty resistance against bottoming out.

This progressive tuning preserves maximum suspension articulation while keeping your chassis completely level and stable during high-speed cornering or technical hill climbs.

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Coordinate corresponding electronic, safety, and cockpit ergonomics upgrades directly from our available stock:

• Chassis Altitude Additions: Pair your heavy-duty coils with a rugged premium UTV lift kit to maximize trail clearance.
• Hydraulic Valving Control: Match your fresh replacement coils with matching high-performance adjustable performance shock absorbers.
• Under-Chassis Armor: Shield your lower suspension components from rock impacts with a heavy-duty full-body skid plate.
• Cockpit Overhead Protection: Shield your cabin from the elements by installing a rigid poly or aluminum heavy-duty UTV roof.
• Dashboard Speed Telemetry: Track your precise speeds across rough terrain with a marine-grade waterproof ATV digital speedometer.

Coil Compressor Safety, Preload Adjustments, & Crossover Tuning

When swapping suspension coils, always utilize a heavy-duty mechanical spring compressor tool to safely manage the high kinetic energy stored within compressed coils; never attempt to loosen the shock body collar without fully unloading the spring tension first. Once your replacement springs are mounted onto the shock body, adjust the mechanical preload threads to set your vehicle’s target ride height based on your specific passenger and gear payload weight. For dual-rate configurations, fine-tune the locking crossover rings to dictate exactly when the transition from the soft tender rate to the rigid main rate occurs. Setting the crossover rings too high causes a harsh ride over trail chatter, while setting them too low risks premature bottoming out on heavy impacts. Keep all adjustment threads clean and treated with a dry PTFE lubricant spray to prevent sand grit and mud from seizing up the aluminum preload nuts over time. For official spring rate calculation formulas and automotive testing standards, review the protocols managed by the SAE International Suspension Design Standards Committees.

Springs FAQ