The Hellwig 3512 LP-35 Load Pro Helper Springs offers the maximum in carrying capacity for your 2011-2018 GM 2500HD/3500. The Load Pro LP-35 features a Progressive Rate Design that is fully adjustable and can handle the load 24/7. Hellwig's Helper Springs set the industry standard for all other helper springs. Hellwig's Progressive Spring Rate and Fulltime Spring Rate design makes this the workhorse of the Hellwig spring line. Due to the innovative Progressive design, the truck must be loaded, and its spring must be compressed to activate the Hellwig Spring, therefore, as the load increases the Hellwig LP-35 progressively increases its resistance to the load.
Built from heat treated ASTM 5160 alloy spring steel, the Load Pro Helper Springs increase your vehicles level load carrying capacity up to the manufacturers GVWR. The simple bolt-on design uses common hand tools to provide you with ease of installation. The LP-35 is rated at 3500lbs level load carrying capacity and is not intended to exceed the vehicles Gross Vehicle Weight Rating. Install kit not included, see application details below.
- 3500lbs. Level Load Capacity
- Can Handle Heavy Loads 24/7
- Progressive Rate Design – Fully Adjustable
2011-2018 GM 2500HD 2WD/4WD (Requires 25312 Install Kit)
2011-2018 GM 3500HD Pickup 2WD/4WD SRW & Dually (Requires 25312 Install Kit)
2011-2018 GM 3500HD Cab & Chassis 2WD/4WD (Requires 25312 Install Kit)
Note: Required install kit is not included. See Below