New Covenant Performance is a family owned company of Steve, Greg, and Heath Clayton located in central Illinois and serving the needs of automotive enthusiasts everywhere. From general repair and maintenance of your antique vehicle to complete high performance engines and drive trains for today’s high tech muscle cars we can help you achieve your performance goals. We have just purchased an engine dyno and services will be offered soon. A RARE PIECE OF EQUIPMENT FOR THIS AREA! In addition to our mechanical services we also sell new, used, and NOS parts for a variety of American classics as well as a broad array of automotive collectables. We are a friendly, detail-oriented team with a work ethic based on our Christian values. Please enjoy the site as we chronicle some of our current projects. Browse our storefront to find that special something for your own project or collection and feel free to contact us for information, estimates, or just to talk about cars. Thanks for visiting and may God bless you.

4X4s, head porting, drag cars,
stock cars, motorcycles, engine building,
dyno tuning, LS-1, LT-1, F body, Mustang,
nitrous systems, fabrication, performance transmissions,
Pontiac crate engines
Chevy crate engines
Ford crate engines
stroker motors