The Cross Gusset Plate Locked design of the rear lift block, ensuring stronger support than others. The leaf springs U bolts is Longer than original bolts with 10.9 grades and 9/16 thread pitch, more suitable for tuner；If they are too long, you can cut them as needed.

Ningbo Sanlishin Auto Parts Co., Ltd. is an enterprise which integrates researching, designing, manufacturing, selling of all kinds of lift kits, leveling kits, wheel adapters, wheel spacers, wheel nuts, wheel bolts, hub ring, and other CNC machined aluminum parts, silverado 2 inch leveling kit, 3 inch rear lift blocks silverado, silverado rear lift blocks, etc. Want to know more? Please contact us.