Coffman Customs is your solution for everything diesel. From repairs, and maintenance, to fuel solutions. Offering basic to full blown aftermarket accessories and performance parts. Coffman Customs has what you need to turn your truck into a durable, power driven diesel to handle any situation. Whether you want your engine re-built for better performance and work efficiency or you want to upgrade your fuel system, take it to Coffman Customs. Proudly using durable RevMax transmission parts and engine parts you won't find anywhere else in town. No matter the year, make or model; Coffman Customs has your diesel solution.