4x Pulstar "HE2RT-nc Gap 0.9mm". High Performance Pulstar Plasma Core Upgrade Spark Plugs. Fits: Yamaha XJR1300 - all models from 1999 to 2020. They also upgrade & replace =Bosch, Champion, Denso, Delco, Ngk, Platinum & Iridium Spark Plugs.
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