Chevrolet 3500 Silverado 2011 – 2026 HD Kit Overload Spring:Without Factory Overload RAS uses a variable-rate tension

RAS uses a variable-rate tension coil spring that attaches directly to your rear leaf springs

Improves ride loaded & unloaded

Estimated install time is 1-2 hours hour

Reduces squat by up to 2–3"

Kit includes an easy to install RAS Standard Duty Spring for each rear leaf spring

Chevrolet 3500 Silverado 2011 – 2026 HD Kit Overload Spring:Without Factory Overload RAS uses a variable-rate tensionRoadActive Suspension kit includes an easy to install RAS Heavy Duty Helper Springs for each rear leaf spring. This RAS kit is designed to stabilize, to reduce bounce and improve stability for towing or hauling while providing same as or better than stock unloaded ride and performance. *If your truck does not have factory top overload springs, expect 30 40% increase suspension strength. *If your truck does have a factory top overload: it must be