2.5" Front + 1" or 2" Rear Drop Lowering Kit for 2007-2018 Chevy Silverado GMC Sierra 1500 2WD 4WD Front Lift 4" then this is the right

then this is the right kit for you

Machined from ASTM-Certified Structural Steel Tube milled in Omaha

Toyota 4Runner Wheel Spacers increase inner wheel clearance

**Some models may require modification/grinding due to smaller factory key retaining plate

2.5" Front + 1" or 2" Rear Drop Lowering Kit for 2007-2018 Chevy Silverado GMC Sierra 1500 2WD 4WD Front Lift 4" then this is the right2x Front Bottom Mount Lowering Strut Spacers 2x Rear Steel Adjustable Lowering Shackles Hardware Installation Instructions Notes: Fits 6 Lug Models ONLY. Aftermarket Uniball UCA is highly recommended on 2019+ models when front lift is higher than 2. 5". The upper ball joint will wear out rapidly with use of stock UCA. This Lowering Kit is meticulously engineered and precision CNC processed from High Density Delrin and Steel, for superior durability