Brockville Speedway Karting Test and Tune Practice. Gate Opens at 4, Testing 4-6 pm. Divisions are Clones, Box Stock red plate age 5-8 225#, Jr 1 green plate age 8-10 #250, Jr 2 purple plate age 10-12 #275, Jr. 3 blue plate age 12-15, #200, Senior open age 15+ #350. Waiver is required for everyone and must show complete waiver at the gate each race night.