13 Bolt Diff Cover

Regular price $109.00
Shipping calculated at checkout.

The Motobilt 13 bolt diff cover allows for an extra 1.25 inch of ground clearance on your GM 14 bolt rear axle. This is often referred to as a shaved cover as you cut/shave 1.25 inch off of the bottom of the axle. The ring of this cover is laser cut from 3/8 inch thick steel plate and the shell is formed from 1/4 inch steel plate with our in house laser and cnc press brake.

There is no need to shave your ring gear or weld anything to your axle. This cover is backed by our life time guarantee also. The cover comes with a large 3/4 inch hole with fill plug and all the necessary hardware. All parts are shipped bare metal and will need to be painted after install.


  • 13 bolt diff cover
  • Standard 3/8 inch non ribbed housing bolts
  • Metric bolts for ribbed housings 
  • 1/4 inch steel plate
  • Inhouse laser and CNC press brake
  • Sold as each
  • All parts are shipped bare metal and will need to be painted after install
  • Weight = 12lbs


  • 9/16 allen head - For the fill plug.
  • 12 point 3/8 socket or 8mm socket depending on ribbed or non ribbed housing and ratchet


Installation Instructions

Why choose Motobilt?

Money Back Guarantee

We stand behind the products we offer.  If you are not 100% satisfied we will replace the part or refund your purchase. We appreciate your business and take pride in building a trustworthy brand.

Made in the USA

We manufacture our products in house using the latest in fiber laser cutting and press brake technology. Unlike most of our competitors who outsource their manufacturing we are able to control our process from raw material to delivery.