Heavy Duty Axle Shims for GMC Models front lift 2" Decreases risk of damaging or

Decreases risk of damaging or tearing off rear suspension parts from harsh use

and EPS models

This is important when installing larger off-road tires to prevent rubbing on the fender

4WD: Comes with 5/8" stud extenders that fit 4WD Models Only

Heavy Duty Axle Shims for GMC Models front lift 2" Decreases risk of damaging or2x Tapered Alignment Shims Installation Instructions Our differential shim kit has been specially engineered to help correct the pinion angle of your vehicle back to factory specifications. An incorrect pinion angle can cause driveline vibrations when driving at speeds, and will severely shorten the lifespan of the differential pinion bearing. CNC machined from billet aircraft aluminum, these are designed to never compress or change angle. They are