Delay Boxes

ALL of our PRO-CUBE delay boxes are produced in our facility. Design, Development, and Production all performed in house! No other manufacturer is able to compare. Why Us? Just ask any K&R user! K&R Performance prides itself on customer satisfaction with over 30 years experience designing, manufacturing and selling multi-function microprocessor delay boxes. Our unsurpassed 2-year warranty is a testimony to our reliability and quality standards.