{"product_id":"prox-piston-kit-for-yamaha-yz426f-00-02-and-wr426f-01-02-12-5-1-compression-ratio","title":"PROX Piston Kit for Yamaha YZ426F '00-02 and WR426F '01-02 – 12.5:1 Compression Ratio","description":"CONNECTING ROD KITS\u003cbr\u003eOne of our core product line, where we became famous with. Our ProX Connecting Rod Kits are made out of the toughest alloys available today and are made in Japan! O.E.M specifications and tolerances are meticulously maintained, a guarantee for easy installation and trouble free performance. Find our connecting rod dimension overview here.\u003cbr\u003eProX Rod Kit Features\u003cbr\u003eManufactured by leading Japanese OEM factories.\u003cbr\u003eDesigned to exact OEM specifications to be a direct and cost efficient OEM replacement.\u003cbr\u003eComplete line for Dirtbike, ATV, PWC and 50cc\/scooter available from stock.\u003cbr\u003eDouble forged on dedicated forgings\u003cbr\u003eThis process maintains superior strength, durability and dimensional consistency through improved grain flow.\u003cbr\u003eShot peening \u0026amp; barrelling\u003cbr\u003eThe design of a connecting rod is very important to guarantee the lifespan and the performance. Our connecting rods are barrelled and shot peened to improve the surface texture. Shot peening eliminates residual stress and smoothly blends the forging surfaces.\u003cbr\u003eOiling system\u003cbr\u003eOur ProX oiling slots are precisely located to maximize lower rod oiling and extend bearing life. Even under the most extreme conditions the rod will do its job. ProX Connecting Rod Kits come complete with Crankpin, Big-End Bearing, Small End Bearing and Washers.\n\u003cp\u003eThe PROX Piston Kit part number 01.2427.A is designed specifically for Yamaha YZ426F models from 2000 to 2002 and WR426F models from 2001 to 2002, providing reliable performance and durability. This kit includes all necessary components for a complete piston replacement, ensuring optimal engine operation and longevity. Crafted with precision, the piston features a high-quality design that maintains the engine’s power output and efficiency during demanding riding conditions. It is an ideal choice for racers and enthusiasts seeking to restore or enhance their motorcycle's performance.\u003c\/p\u003e\u003cp\u003eConstructed with durable materials, the PROX Piston Kit offers excellent thermal stability and resistance to wear. The 12.5:1 compression ratio boosts engine power and responsiveness, making it suitable for both recreational riding and competitive racing. Easy to install with proper tools, this kit is a cost-effective way to upgrade your motorcycle’s engine components without compromising reliability. Whether rebuilding after a failure or performing routine maintenance, this piston kit provides the quality and fit you expect from PROX, a trusted brand in high-performance motorcycle parts.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\u003cli\u003eDesigned for Yamaha YZ426F '00-02 and WR426F '01-02 models\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eIncludes all necessary components for complete piston replacement\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eHigh-quality construction for durability and thermal stability\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eOptimized for a 12.5:1 compression ratio to enhance power\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eEngineered for reliable performance in demanding riding conditions\u003c\/li\u003e\u003c\/ul\u003e","brand":"PROX","offers":[{"title":"Default Title","offer_id":50001059348720,"sku":"108742","price":205.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0844\/1980\/5424\/files\/5df695a8-3518-42d3-bdb1-32b2df8c8e01.jpg?v=1783656256","url":"https:\/\/sublimepowersports.com\/products\/prox-piston-kit-for-yamaha-yz426f-00-02-and-wr426f-01-02-12-5-1-compression-ratio","provider":"Sublime Powersports","version":"1.0","type":"link"}