Please check your existing derby cover to confirm that it is 7 ¾ inches also

Black Gloss Derby Cover

This is a billet machined part that is made to replicate an original Harley Davidson timer cover

The Navy Chief (2) Hole Timer Cover - Horiz

The Pegasus TC Derby Cover

Rattlesnake Derby Cover Marine Skull Please check your existing derbyThe Rattlesnake Derby Cover combines precision engraving with a premium finish for riders who want their motorcycle to reflect their style, service, or personal story. Product Details Billet Aluminum, Chrome Plated Derby Cover. This derby cover is 7 inches in diameter. Please check your existing derby cover to confirm that it is 7 inches also. This part is also made with a diameter of 7 inches. Our process is to engrave the design onto a raw aluminum