(RAS®) RoadActive Suspension 4515-R | Fits Ford Ranger 2019-2025

The RAS RoadActive Suspension rear leaf spring upgrade is the only suspension upgrade that improves towing and hauling performance without stiffening your unloaded ride. Unlike traditional add-ons, RAS works with and strengthens factory leaf springs by 40-50%, eliminating squat, reducing bounce, and increasing stability for better driver control. This mechanically active system works instantly to support your truck’s suspension, maintaining proper leaf spring arch while absorbing and dissipating load force energy. No adjustments, no maintenance—just install and enjoy a smoother, more stable ride.

• Authentic Made In USA RoadActive Suspension rear leaf spring upgrade by (RAS)RoadActive Suspension. Completely simplifies improved load and road handling without maintenance or hassle.
• Provides up to 40-50% additional strength to rear suspension and improve squat by up to 2-3’’
• Maximize everyday performance by reducing sway, body roll, greatly improved handling and stability
• Guaranteed to maintain or improve loaded and unloaded ride quality without need for readjustments
• Comes as a set. Estimated 1 hour installation with no special tools or maintenance required