CR9EIX Iridium Spark Plugs 4 Pack - Compatible with Ranger 900 Ranger RZR 900 Zephyr 999S TC Katana YZF600R FX Nytro MTX RTX etc. Engine - Replaces 3521 Spark Plug

Perfect FitSpark plugs Compatible with Ranger 900 Ranger RZR 570 Ranger RZR 900 Ranger RZR 900, 749 999 749R 749S 998 999S, TC TE TXC 250, Z1000 Z750S Zephyr ZRX1100 ZRX1200R ZX-10 ZX-11 ZX-6R ZX-7R ZX-9R ZZR1200 ZZR600, GSX-1300R GSX-R1000 GSX-R60 GSX-R600W GSX-R750, Katana 600 Katana 750 Speed Triple, FZ1 FZ6 FZ8 TT-R250 WR250F WR250R WR250X, YZF-R1 YZF600 YZF750, FX Nytro MTX RTX XTX. For more information about the fit, please check the picture or detail page.; OE ReplacementDirect replacement for OE numbers CR9EIX, 3521. These spark plugs meet or exceed OEM standards for form, fit, and function.

Made from high-temperature resistant materials, they withstand extreme thermal stress, ensuring durability and reliability.; Pre-Gapped Spark PlugEach spark plug is pre-gapped to 0.8 mm ( 0.032 ''), ensuring optimal ignition performance and hassle-free installation. For additional specifications such as thread size, hex size, and reach, please refer to the product images for complete details.; Iridium DesignCrafted with precious iridium metal, these spark plugs offer stronger ignition performance, faster cold starts. The wear-resistant design enhances fuel efficiency, reduces carbon buildup, and extends engine life.

Ideal for use in automobiles, trucks, SUVs, motorcycles, marine engines, and industrial equipment, these spark plugs are engineered to maximize engine power and improve overall vehicle performance.; Customer Service & Quality AssuranceAt SYKRSS, we prioritize your satisfa