Simplify Load, Handling, Stability.
Forget the maintenance and hassle of traditional air bag upgrades. RAS® provides a perfect balance of reduced truck squat, better stability, unloaded ride quality and simplicity. Use the kit selector to find the perfect kit for your truck today!
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The Fastest Growing Rear Suspension Upgrade
RAS® helps with squat, but doesn't stop there. Instead of resisting weight at the frame and having to make readjustments like an air bag helpers, RAS® springs engage with the existing leaf spring in a progressive manner. This tension coil spring provides a perfect blend of load handling, road handling and unloaded ride quality without readjustment or hassle. The best part? It installs in as little as 45 minutes with no readjustments!Watch Video