[Vehicle Fitment-2]: Compatible with Triumph 955i Daytona, Daytona 675, Speed Four, Speed Triple, Speed Triple 675, Speed Triple R 675, Sprint RS, Street Triple R, Tiger, TT600; Compatible with Yamaha FZ1, FZ1000, WR250X, YZ250F, YZF-R1, YZF600R, YZF750R, FX Nytro MTX, FX Nytro MTX Anniversary Edition, FX Nytro MTX SE 153, FX Nytro MTX SE 162, FX Nytro RTX, FX Nytro RTX Anniversary Edition, FX Nytro RTX SE, FX Nytro XTX, RX Warrior, RX-1, RX-1 Black LE, RX-1 LE, RX-1 Mountain
[Engineered for Longevity]: For optimal engine performance and longevity, it is recommended to replace platinum iridium spark plugs at mileage intervals of 80,000 to 100,000 miles