Biondo Racing was officially founded in 1987, but the company’s history goes all the way back to Sam Biondo’s first race in 1958. Since then, ideas for Biondo Racing products have been born on the track and developed in response to real-world racing needs. Biondo Racing delay boxes, line locks, trans-brake buttons, and throttle stops were designed to help racers sharpen their skills and abilities. Biondo Racing follows the philosophy of “Products for Racers by Racers,” and Summit Racing is proud to be your #1 source for Biondo Racing products—line solenoid shifters, rpm activated switches,...