Hellwig offers a variety of helper springs for Chevy truck, suv, and van including some of their more popular pro series and load pro series suspension helper spring kits.
Pro series helper springs are designed to adjust progressively to the load of your vehicle the same solution as the Load Pro (LP-25, LP-35) series will provide. They are available in a silent ride option that has polyurethane spacers in the spring to prevent any sound from the springs engaging.
Load Pro Series
The load pro series is what originally set hellwig apart from other helper spring manufacturers. LP-25 and 35 are very popular for the chevy trucks, including silverado and sierra 2500hd.
EZ-990 for Chevy
EZ-990 helper springs are the backbone of hellwig's medium duty chevy helper spring line. The EZ-990 will increase spring rate and stability while providing additional load support of up to 2,000 lbs. EZ-990 as well as the other medium duty helper springs such as EZ-550, EZ-1000 can also all be adjusted by torquing the u-bolts.