2011-2026 GM HD Rear Leaf Spring (ICO178527)

Replace the worn factory leaf springs on your 2011-2026 GM HD with ICON multi-rate packs. Designed for improved ride quality, better load handling, and increased articulation over stock.

Features

• Complete leaf pack for direct OEM replacement
• Provides 0" of rear lift, maintaining stock height
• Reduces rear spring rate approximately 20% on 2500 HD models
• Offers significantly improved ride quality compared to OE leaf springs
• Moves overload transition point further away for better small bump compliance
• ICON Limited Lifetime Warranty

Wheel & Tire Recommendations

• ICON Alloys - 18x9" w/ 5.5" Backspace / 12mm Offset
• ICON Alloys - 20x9" w/ 5.5" Backspace / 12mm Offset
• Tires: 35" x 12.50" (Larger tires may fit but fender trimming and modifications will be required.)

Important Notes

• Will not fit Cab & Chassis models
• Helper air bags are recommended for hauling/towing heavy loads
• Fits single rear wheel models only
• Leaf springs are sold individually. A quantity of 2 are required per vehicle.
• GM 2500 HD models equipped with Max Trailering Package and GM 3500 HD require removal of top overload leaf

Manufacturer Description

ICON's Rear Leaf Pack provides improved ride quality for 2011-2026 Chevrolet Silverado 2500 HD/3500 HD and GMC Sierra 2500 HD/3500 HD pickup trucks while maintianing factory rear ride height. This full replacement leaf back lowers the rear spring rate approximately 20% compared to stock as well as shifts the overload transition point higher in the suspension travel to improve small bump compliance. Compatible with the full range of ICON Vehicle Dynamics shock absorbers as well as stock and other aftermarket options, this makes the leaf spring an excellent option for trucks that that do not regulaly tow or haul heavy loads and the best ride quality is desired.