The Hellwig LP-35 Helper Spring set the standard for all other aftermarket helper springs. Featuring a Fulltime Spring Rate design it is the workhorse of the Hellwig Spring line. This is ideal for fleet applications or vehicles that consistently carry a heavy load day in and day out.
LP-35 Progressive Rate Load Leveling Helper Spring for the 2020-2021 Chevrolet Silverado/GMS Sierra 3500 HD Single Rear Wheel. Must remove factory contact overload springs