Features: Boosts load capacity up to 2800lbs with the SSR31354 spring set, enhancing stability and ride comfort during hauling. Featuring progressive spring rate technology and compression capability, these spring ensures consistent performances. For truck owners and commercial operators needing upgraded suspension systems in for 1500/2500/3500 carrying heavy equipment or cargo. Optimizes vehicle control when transporting construction component, campers accessories, or loads across worksites, and uneven terrain. Engineered as direct replacements, these helper spring reduce body roll during turn while reinforcing rear suspension integrity. Specifications: Component: Rubber, Metal Size: about. 13.5x26mm/0.53x1.02in Pattern: 1pc/2pcs Part Number: ssr31354 Applicable Model: for 1500 2500 3500 Note: Please allow 1-2cm errors due to manual measurement. Due to difference between different monitors, the picture may not reflect the item actual color. Package includes: Package 1: 1pc Rear Spring Package 2: 2pcs Rear Spring Boosts load capacity up to 2800lbs with the SSR31354 spring set, enhancing stability and ride comfort during hauling. Featuring progressive spring rate technology and compression capability, these spring ensures consistent performances. For truck owners and commercial operators needing upgraded suspension systems in for 1500/2500/3500 carrying heavy equipment or cargo. Optimizes vehicle control when transporting construction component, campers accessories, or loads across worksites, and uneven terrain. Package includes: Package 1: 1pc Rear Spring Package 2: 2pcs Rear Spring Department Unisex Manufacturer KMGDM