1999-2007 (Classic) GMC Sierra 1500 4WD Rear Lift Blocks with Premium Forged Flat Top U-Bolts2x Rear Lift Blocks with 9 16" Single Pin 4x Premium Forged Flat Top U Bolts Installation Hardware Notes: Will fit 6 Lug Models Only. Please check you rear suspension setup before ordering. We are proud to introduce our New Heavy Duty Steel Lift Blocks, precision engineered by our experts not only to lift your truck but to improve your ride quality and comfort as well as lifetime use. The 1" Heavy Duty Steel Blocks are constructed from one solid block

Complete Bolt-on kit

Universal fit for any vechicle with a hitch receiver

Designed to replace the upper control arm’s left and right OEM slotted eccentrics

and 3" Toyota T100 lift & leveling options to enhance the clearance

We also offer this tool with our kits in our other listings

Each front and rear axle plates are designed to mount directly to your Jeep and seat properly for the smoothest install process for your spring over conversion

5" and 5" Tall Lift Blocks are engineered and designed with a Built-In Taper to help keep your differential's pinion angle as close to factory specification as possible

Supreme Suspensions® Non-Hub Centric 8x165

Center Bore: 108mm Without Lip

or 5 ton gear puller is required for install

2x Billet Skid Plate Spacers

4x Zinc Plated U-Bolts