AUTOPTIM Rear Leveling Lift Block Kit - Replacement for 1999-2021 GM Silverado Sierra 1500 2WD/4WD, 1 Inch Strut Spacer

Key features

• COMPATIBILITY WITH --- Leveling lift block kit replacement for 1999-2021 GM Silverado Sierra 1500 2WD/4WD. Will Raise your truck 1" in the rear. Contents: 2 X 1'' rear blocks & 4 U bolts.
• SAFE DRIVING --- Forged aircraft billet aluminum T6 treated. 10.9 Grade premium bolts, excellent resistance to corrosion by black anodized surface process. Even in extreme riding conditions, the leveling kits also provide safe driving.
• MODIFICATION --- Strut spacer kit can provide unmatched ground clearance to conquer on and off-Road obstacles and allowing to fit larger custom rims and tires. Maintains your original ride quality, steering quality and driving comfort.
• LEVELING KIT BENEFITS --- Lift blocks kit absorb noise and vibrations, and are tapered for perfect pinion alignment. Made for maximum u bolt clamp force with an even distribution of pressure, axle u bolts eliminate flexing and provide the strength to maintain original vehicle handling.
• BRAND GUARANTEE --- An alignment is recommended after install. 2 years warranty and feel free contact us with any problem, reply in 24 hours. Install the tallest ends of tapered rear blocks to the rear of the vehicle; Retighten u-bolts after the first 500 miles. Lift block kit installed in about 1 1/2-2 hours.