Patented lift options from 1.5in to 2.25in, or anywhere in between, Adjustment threads are factory pre-treated with marine grade anti-seize, Includes 10.9 grade hardware, Steel components are black e-coated for a durable, lasting finish, Commercial-grade for the most demanding situations, Seasonally adjustable for commercial & snow plow applications (LIFT RANGE: 1.5in TO 2.25in, MAX TIRE/WHEEL: 33in with stock offset & width, INSTALL TIME: 2.1 HRS) NOTE: WHILE SUPPLIES LAST, Adjustable Front Lift Leveling Kit provides LIVE ON-VEHICLE front ride height adjustment from 1.5in to 2.25in. Seasonal on-vehicle ride-height adjustment can be made on snowplow vehicles and other commercial front-heavy applications 2019-current: Chevrolet/GMC - Silverado/Sierra 1500 2WD/4WD (Not for use with Trailboss or AT4 Package, Use kit #75-1050G or Economy kit #75-1055G on vehicles equipped with JL4 elecronic front suspension)