RTZ - Chevrolet GMC Sierra Silverado 1500 Full Lift Kit 3" Front Strut Spacers + 1.75" Rear Lift Shackles 4WD Made in the USA & Life-time Warranty Easy Bolt-On Installation. No Cutting, No welding, or other parts needed. Just an alignment after the installation! Improves appearance of your pickup and maintains comparable factory ride. Fits 2007-2017 Chevrolet Silverado Sierra GMC C1500 1500 2wd & 4wd. Includes: Pair of 3" Front Polyurethane Lift Strut Spacers with Hardware and pair of 1.75" lift Shackles. Check our other listings for different heights.