Hellwig 99-13 GMC 1500 Load Pro-Up To 3500lb Level LC 4 Leaf Stack Helper Spring w/o Mounting Kit Top The replaceable bearings are Teflon

The replaceable bearings are Teflon lined for minimum friction

wrinkle black

high-flow valve/seat

may look similar to their predecessor on the surface

provides protection for the compressor in various conditions

Hellwig 99-13 GMC 1500 Load Pro-Up To 3500lb Level LC 4 Leaf Stack Helper Spring w/o Mounting Kit Top The replaceable bearings are TeflonThe 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. ATTENTION: MUST PURCHASE LP MOUNTING KIT FOR INSTALLATION. IF EQUIPPED WITH FACTORY CONTACT OVERLOAD SPRINGS, CHECK VEHICLE FITMENT ABOVE FOR SPECIFIC INFORMATION ON YOUR