Works with both 4X4 and AWD. The “MAXX Load cell” HD Suspension Compression Cell. The “Perfect” choice for Chevrolet /GMC truck-owners in need of a practical suspension solution, The “MAXX Load cell” benefits Hard working Vehicles with Snowplows, HD front bumpers, extended wheel base Limos and Armored Vehicles. Use it anywhere bolstered front end support is needed! Fits full-size torsion bar-equipped GM, 8 bolt trucks and SUV’s including the Hummer H2 from 2001 to 2010