Hellwig Load Pro mounting hardware kit for GM 2500HD/3500HD pickups and cab & chassis supplies zinc-plated hardware and brackets and is required with every LP-25 and LP-35 helper spring set to complete installation. These vehicle-specific kits allow a no-modification fit on GM 2011–2018 2500HD/3500HD pickup and cab & chassis applications and are backed by a limited lifetime warranty.
Hellwig 11-19 Chevy Silv 2500HD Hardware Kit for Load Pro Multi Leaf 2500lb/3500lb Helper Springs