Mountain Machine
3 dimensionally engraved using a very time consuming and painstaking process, this will really get your bike some serious attention while people wonder not only where you got it, but how it was made! Available for twin cam, evo, shovel and Milwaukee eights. If you have any special requests we look forward to hearing from you. 

Be sure to look at the custom gallery page to see more examples of what we can do for you.​
All of the 3d covers are made to order so please allow app. 4 weeks for shipment.

We are now also offering derby covers in all designs (aside from our cast ones) to fit '16-later Touring and Trike, '15-later FLHTCUL and FLHTKL, and '07-later Touring and Trike models equipped with Narrow-Profile Outer Primary Cover P/N 25700385 or 25700438 Please call or email for pricing and details for these models.
This page was last updated: June 10, 2019
Copyright 2008 Mountain Machine Design

Specializing in custom CNC machining.& Harley Davidson service and parts.

Evergreen, Colorado


Custom engraving available, your design, advertising your business, club logos etc........
3D ENGRAVED DERBY COVERS available in 3 or 5 hole
Use your own photos or ours to personalize your ride! 
Machined from solid billet 60/61 aluminum. 

Custom 3D covers Starting from $300. Your photo must be high resolution for best results. 
U.S. Flag options