PrecomandaAccesorii hardware CYCLE PERFORMANCE PROD. Spark Plug Indexing Washer CYCLE PERFORMANCE PROD. PEUF6WA 117 lei Achieve maximum performance by indexing spark plug electrode gap towards the intake valveEach kit includes 15 washers: five .040'' thick washers, five .050'' thick washers and five .060'' thick washers for precise fitmentMade in the U.S.A. Adauga in cos