Hellwig Load Pro Series Leaf Helper Spring Mount Kit secures two Hellwig Load Pro helper springs to your vehicle’s main leaf spring and axle. It is made for both Hellwig LP-25 as well as LP-35 helper springs. Hellwig Load Pro Series Leaf Helper Spring Mount Kit delivers trouble-free and consistent performance. After selecting Hellwig Load Pro Series Leaf Helper Spring Mount Kits for 2.5” or 3” wide leaf springs and secure the helper springs to the vehicle's rear axle and OEM leaf spring ends, your headlights and fog lights will be level instead of pointing skyward.