
SAY GOODBYE TO SQUAT, BOUNCE, AND SWAY
Since 1998, RoadActive Suspension has delivered the perfect balance of improved load handling, reduced squat, dampened bounce, and a smoother, more controlled ride. Trust only RAS® labeled products—engineered, tested, proven, and Made in the USA.

THE RAS® DIFFERENCE
RAS® helps stop squat, but doesn't stop there. Our tension coil springs engage perfectly with the existing leaf springs to absorb and dissipate load-force-energy. Forget the hassle of air bags or harsh ride quality of other suspension helpers. RAS® gives you the perfect combination of reduced bounce and sway, better load handling, while improving performance and ride quality without a load. No Readjustments. No Hassle.
Watch VideoHOW RAS® WORKS
Swipe through to see the how RAS® actively supports your truck.

Mount
Hooks over the rear leaf eye and axle bracket near the axle—no drilling or welding. Typical install is 45-90 minutes.
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Set Tension
Pre-load the RAS® tension coil spring to share the work with your leaf pack. This sets the baseline for support and stability.
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Active Support
As load or force increases, RAS® automatically engages in proportion to maintain spring arch, adding support and stability — while keeping ride comfort.
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Fit & Forget
No air, no lines, no maintenance. Once installed, RAS works automatically — providing long-term reliability without adjustments
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