{"product_id":"wiseco-yamaha-yfm660-raptor-9-91-cr-4966m10050-piston-kit","title":"Wiseco Yamaha YFM660 Raptor 9.91 CR (4966M10050) Piston Kit","description":"Premium materials produce the best sealing technology available exceeding O.E.M. standards.  2-Stroke: Wiseco top end gasket kit; Dedicated forging; Superior strength\/weight ratio utilizing Aerospace alloy; Race-proven designs; Chosen by top race teams, in all forms of racing; CNC machined; Optimal cam shape and profile for peak HP and service life; Premium top end needle bearing; Precision-machined, highest-quality materials for strength and reduced friction; High-performance ring set; Extended life and sustained power; Highest-quality alloy pin; Consistently true and durable.  4-Stroke: Wiseco top end gasket kit; Premium materials produce the best sealing technology available, exceeding O.E.M. standards; Dedicated forging; Superior strength\/weight ratio utilizing Aerospace alloy; Dome design; Improved flame travel; Chrome plated piston pin; Horizontal slot pin oiling; Reduced friction\/scuff resistant; Pressure seal groove; Maximum ring seal; Armor Glide Skirt-Coated available for select models; Dedicated Rings; Maximum compression and oil control.\u003cbr\u003e\u003cbr\u003eThis Part Fits:\u003cp\u003e\u003c\/p\u003e\u003ctable border=\"1\"\u003e\n\u003ctr\u003e\n\u003cth align=\"left\" width=\"100\"\u003eYear\u003c\/th\u003e\n\u003cth align=\"left\" width=\"125\"\u003eMake\u003c\/th\u003e\n\u003cth align=\"left\" width=\"150\"\u003eModel\u003c\/th\u003e\n\u003cth align=\"left\" width=\"80\"\u003eSubmodel\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2001-2005\u003c\/td\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003eYFM660R Raptor\u003c\/td\u003e\n\u003ctd\u003eBase\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e","brand":"Wiseco","offers":[{"title":"Default Title","offer_id":47645812130103,"sku":"WISPK1432","price":315.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0670\/1963\/7047\/files\/780d1180f8c7d133af3efeaebd247fa7_94d43132-f4d6-4015-a36c-35019a0a49b7.jpg?v=1704932460","url":"https:\/\/www.ajusa.com\/products\/wiseco-yamaha-yfm660-raptor-9-91-cr-4966m10050-piston-kit","provider":"AJ-USA, Inc","version":"1.0","type":"link"}