Seller notes

Up for sale is (4) Yamaha GP1800, GP1800R, FX, FZR, FZS SVHO / 1.8L WAVERUNNER JET SKI NGK LFRAIX Part# 2309 Spark Plugs. These spark plugs are for all year Yamaha SVHO / 1.8 L waverunners. These plugs are high performance Iridium with benefits of stronger spark, less fouling, lower fuel consumption, longer life, smoother idle, improved ignition efficiency enhancing power and acceleration. These plugs work well with upgraded mods to your waverunner. Yamaha recommends changing plugs once a year f...

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