Take control of your towing and hauling with the RAS HD Suspension Kit—engineered specifically for 2025–2026 Chevy Silverado 1500 and GMC Sierra 1500 trucks. This heavy-duty RoadActive Suspension system strengthens your factory leaf springs by up to 50%, delivering improved stability, reduced squat, and a smoother, more controlled ride—loaded or unloaded.
Designed as a complete 3-in-1 solution, this system combines the benefits of a helper spring, sway bar, and traction bar without the complexity of air bags or constant adjustments. Installation is quick and hassle-free, with a fully assembled, bolt-on design that gets you back on the road in about an hour. Whether you’re towing an RV or hauling gear, this kit enhances safety, comfort, and performance every mile.
Key Features:
• Custom-fit for 2025–2026 Chevy Silverado 1500 & GMC Sierra 1500
• Strengthens leaf springs by up to 50% for added support
• 3-in-1 design: helper spring, sway control, and traction support
• Reduces squat, body roll, axle wrap, and excessive bounce
• Maintains or improves unloaded ride quality
• Fully assembled, bolt-on installation in ~45–60 minutes
• No maintenance, no air lines, and no readjustments required
• Durable, long-lasting design trusted since 1998
Before You Order
Verify part number 5611-TZHD exactly Match the listed product details to the part you are replacing before ordering. Compare dimensions, specifications and fitment information with your RV or component.
Frequently Asked Questions
What part number should I verify before ordering?
Verify 5611-TZHD on your existing part, documentation or equipment label before ordering.
How should I confirm this part fits?
Compare the listed part number, dimensions, specifications and fitment details with your existing component. Do not rely on appearance alone.
