Retter Engine Development is a full service engine shop located in Colfax, Illinois. Specializing in cutting edge engine and EFI technology, we have the necessary resources to make your engine program competitive, and your racing season successful.

From it's modest beginnings in 1968, Retter Engine Development has grown from a one man shop, to a high tech engine development facility with a staff of very talented and dedicated employees. Each employee has their own area of expertise, and everyone works as a team to ensure that each engine meets the customer's expectations, as well as their project deadline.

At Retter Engine Development, we understand the investment you will have, not only in your engine, but your project as a whole. This means that we'll design your engine to be the best value for your intended budget. We can assure you as a customer, that you will get the service you expect, and the quality you demand. We take great pride in every project that passes through our doors, and will settle for nothing less than optimum performance.