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The Hellwig Pro-Series helper spring for 2020–2021 Chevrolet Silverado 2500HD and 2020 GMC Sierra 2500HD provides up to 2,500 lb of level load capacity using the Silent Support System. Over-axle mounting simplifies installation and allows tunable support to keep ride height and handling stable under heavy loads. The kit includes quieting bushings and limited lifetime warranty coverage, suited for heavy-duty towing and frequent payload use.
Hellwig 20-21 Chevrolet Silverado 2500 HD Pro Series Helper Spring- Up To 2500lb Level Load Capacity
