JDR specializes in custom built Holley carburetors and fuel system components. Offering the finest racing carburetors available today and nobody will work harder to assure that you receive exactly that. They are based on selling products that make a real difference, not gimmicks, ‘trick of the week” ideas, or empty rhetoric. Their carburetors are built one at a time, for your application. In addition to the race proven designs that is their foundation, they are always developing and testing new things to provide you with the competitive edge you’re looking for. Combined with experienced technical customer service, they offer a winning combination. If you need it, they can build it!