Enhance your ATV’s performance with this high-quality CDI Box Unit, designed as a perfect replacement for models including ATV YFM660 (2002-2003), Grizzly 660cc (2004 and up), and YFM 660 R Raptor (2002-2003). Engineered to meet OEM specifications, this CDI ignition box ensures reliable and durable operation under harsh conditions, providing superior protection against vibration, wear, and moisture for extended service life. Key Features: · Precise OE Compatibility: Reference part numbers 5KM 85540 10 00, 5KM 85540 00 00, 5KM855401000, and 5KM855400000 guarantee an exact fit for your ATV, ensuring seamless replacement and optimal performance. · Durable Construction: Built with a robust housing and protective sleeve to withstand tough environments, this CDI box offers long-lasting durability and reliable ignition control. · Easy Installation: Designed for quick and hassle-free installation without the need for special tools or professional assistance, allowing you to replace your CDI unit independently and efficiently. · Performance Enhancement: This high-performance CDI box improves throttle response, delivers faster ignition starts, increases spark energy, and raises the speed limit value, enhancing your ATV’s overall speed and responsiveness. · Plug-and-Play Module: Ready to install with standard connectors, this CDI unit ensures a straightforward upgrade to boost your vehicle’s ignition system. Specifications: · Item Type: CDI Box Unit · Reference Part Numbers: 5KM 85540 10 00, 5KM 85540 00 00, 5KM855401000, 5KM855400000 · Number of Plugs: 3 · Number of Pins: 18 · Fitment: Replacement for ATV YFM660 (2002-2003), Grizzly 660cc (2004 and up), YFM 660 R Raptor (2002-2003) Package Includes: · 1 x CDI Box Unit Upgrade your ATV’s ignition system with this reliable and durable CDI Box Unit, designed to improve ignition efficiency and vehicle speed while ensuring a perfect fit and easy installation. Ideal for riders seeking enhanced throttle response and dependable performance in demanding riding conditions.