{"product_id":"prox-piston-kit-for-yamaha-yz400f-98-99-and-wr400f-98-00-part-number-01-2419-b","title":"PROX Piston Kit for Yamaha YZ400F '98-99 and WR400F '98-00 – Part Number 01.2419.B","description":"\u003cdiv class=\"productDescription\"\u003e\n\u003cdiv class=\"primaryProductDescription\"\u003e\u003cp\u003eExcellent economic alternative when you are looking for an OEM quality replacement piston\u003cbr\u003e\u003cbr\u003eMainly manufactured in Japan by reputable Original Equipment Manufacturers to ProX exact specifications and high quality standards\u003cbr\u003e\u003cbr\u003eSleeved cylinder piston kits are available in standard size and a Wide range of oversizes\u003cbr\u003e\u003cbr\u003ePlated cylinder piston kits come in standard size, as well as in A, B, C and D oversizes if available\u003cbr\u003e\u003cbr\u003eProX leads the industry in cast and forged pistons made specifically to replace OEM parts\u003cbr\u003e\u003cbr\u003eComes complete with pistons, piston rings, wrist pin and circlips  \u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\u003c\/div\u003e \u003cdiv id=\"itemGroup\" class=\"productItemGroup\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp\u003eUpgrade your Yamaha YZ400F and WR400F with the PROX Piston Kit, designed to deliver optimal performance and durability. This comprehensive kit includes all necessary components to restore or improve your motorcycle’s engine, ensuring reliable power output. Crafted with precision, the piston features a 12.5:1 compression ratio that enhances engine efficiency and responsiveness. The kit's components are engineered to meet or exceed OEM specifications, providing a seamless fit and long-lasting performance, making it ideal for both restoration and high-performance applications. Whether you're rebuilding your engine or upgrading it for competitive riding, this piston kit offers exceptional quality and value.\u003cbr\u003eThe PROX Piston Kit is built with high-grade materials for superior heat resistance and strength, ensuring your engine maintains peak performance under demanding conditions. Easy to install, it includes all the necessary parts for a straightforward replacement process, reducing downtime and labor costs. Trust PROX’s reputation for quality and precision engineering to keep your Yamaha motorcycle running smoothly and reliably. Designed for models from 1998 to 2000, this kit is a perfect choice for enthusiasts seeking to restore their bike's original power or improve it for more aggressive riding styles.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\u003cli\u003eDesigned for Yamaha YZ400F '98-99 and WR400F '98-00 models\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eIncludes all necessary components for complete engine rebuild\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eHigh-performance 12.5:1 compression ratio enhances power and efficiency\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eEngineered with durable, heat-resistant materials for long-lasting use\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eEasy installation with OEM-like fit for quick replacement\u003c\/li\u003e\u003c\/ul\u003e","brand":"PROX","offers":[{"title":"Default Title","offer_id":44585761275946,"sku":"108733","price":152.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0692\/2285\/8794\/files\/108733_1663802112.jpg?v=1784224111","url":"https:\/\/atticusgoods.com\/products\/prox-piston-kit-for-yamaha-yz400f-98-99-and-wr400f-98-00-part-number-01-2419-b","provider":"Atticus Goods","version":"1.0","type":"link"}