Billet aluminum differential covers

We currently offer styles to fit the Dana44 axles used in most Jeeps and Ford Broncos, and the Sterling 10.5 used in the rear of 3/4 to 1 ton Ford trucks. The covers are offered in raw machined aluminum, polished, or powder coated in various colors.

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Our shop

All of our products are designed and manufactured in our shop located in Clarksville, Tennessee.

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JMM designs and manufactures products for people who want something beyond the ordinary.. New products are continuously being developed and some prototypes are in the review stage prior to their release. Look for more applications for our differential covers as well as billet wheel centers and floaters.