Heavy Duty Axle Shims for Chevy Models Commander 800 Designed & tested for performance

Designed & tested for performance and safety

Does not fit 2019+ Trailboss Models

* Fits 6-Lug Model Only

Example: A 3" lift spacer will be roughly 1

Machined from ASTM-Certified Structural Steel Tube milled in Omaha

Heavy Duty Axle Shims for Chevy Models Commander 800 Designed & tested for performance2x 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