The Hellwig Pro-Series helper spring for 2007–2017 GM Express 1500/2500 vans (without rear A/C) supplies up to 2,500 lb of level load capacity using the Silent Support System. The over-axle mount simplifies installation and tuning, improving load-carrying stability for half- and three-quarter-ton applications. Designed for quieter operation under load, it includes bushings and a manufacturer warranty to support regular towing and payload duties.
Hellwig 07-17 GM Express Vans 1500/2500 (w/o Rear A/C) Pro Series - Up To 2500lb Level Load Capacity