''Big O Tires West Covina is your Bureau of Automotive Repair (BAR)-licensed tire shop and auto repair center serving West Covina, Baldwin Park, Covina, Valinda, and Walnut. Same-day tires, alignments, brakes, oil changes, and batteries. Carrying MICHELIN®, BFGoodrich®, Goodyear, and Cooper® via ATD and NTW. Proud TIA members. We specialize in prem...