【Fitment】Maxracing 2 Inches Rear Lift Blocks fit for Chevy Silverado 1500/GMC Sierra 1500 2WD/4WD. * Note: For 2019+ Silverado Sierra 1500, Not fit "MONO-LEAF" leaf spring, AT4, TrailBoss. 【Lifting Height】Maxracing Full lift kit raise the front by a 2.5 inches and rear by 2 inches. The actual thickness of spacer is less than 2.5" and 2". 【Spacer thickness < Lifting height】 【Attention】If your vehicle has 1inch factory block, rear lift block will provide additional 2 inch lift. If your vehicle don't have 1 inch factory block, it will provide additional 3inch lift. 【High Quality Lift Block】We use machined and powder coated rear lifts, they will last longer than the original lifters. Extended U-bolts are better fit for your truck! 【Excellent Function】Increases ground clearance, allowing you to fit larger custom rims and tires. Provide enough ground balance. Maintains your original OEM ride quality, steering quality and driving comfort. 【Easy Install】Simple bolt-on installation in about 1 1/2-2 hours and does not require special tools. Not require strut/coil disassembly. A front end alignment back to factory spec is recommend after install. Maxracing 2.5" Front + 2" Rear Leveling Kit will raise the rear of your Chevy Silverado 1500/GMC Sierra 1500. If you want to improve the look of your vehicle, Maxracing is the strongest and would not crack over time.