GMC 2500 Sierra 2011- 2026 | HD Kit 1967 Get the best of both

Get the best of both worlds with RoadActive Suspension® Mega-Duty — our strongest suspension upgrade engineered for heavy payloads

Better under load while improving unloaded ride quality and handling — that’s what makes RAS® different

This RoadActive Suspension kit includes an easy to install RAS Standard Duty Spring for each rear leaf spring

The exact amount will depend on multiple factors such as vehicle size

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

GMC 2500 Sierra 2011- 2026 | HD Kit 1967 Get the best of bothGet the best of both worlds with this authentic RAS Heavy Duty RoadActive Suspension kit the only solution that strengthens leaf springs by up to 50% while providing a more smooth, controlled ride at all times. Unlike other suspension upgrades that need constant adjustments & maintenance or negatively impact unloaded ride, RAS greatly reduces squat, excessive bounce and body roll without hassle or sacrificing comfort . This 3 in 1 system offers the