{"product_id":"kn-ja01-0","title":"Racing Big Head for 54mm Bore JOG90 AXIS90","description":"[KN Planning JA01-0 Racing Big Head for 54mm Bore JOG90 Axis 90]\u003cbr\u003e\n Racing-specific head for 54mm bore\u003cbr\u003e\n Large size\u003cbr\u003e\n *Because the head is larger than stock,\u003cbr\u003e\n it offers superior cooling performance compared to stock,\u003cbr\u003e\n but requires some cutting of the air shroud.\u003cbr\u003e\n (Combustion Chamber)\u003cbr\u003e\n Racing shape\u003cbr\u003e\n *The combustion chamber is not like Yamaha's genuine one; it's a head processed by KN Planning into a racing head with no steps.\u003cbr\u003e\n Number of fins: 14\u003cbr\u003e\n Compatible models\u003cbr\u003e\n Jog 90\u003cbr\u003e\n Axis 90\u003cbr\u003e\n *Images are for illustration purposes only. Product design and specifications are subject to change without notice. Please be aware of this.","brand":"KN企画(KN KIKAKU)","offers":[{"title":"Default Title","offer_id":45475107373291,"sku":"kn-ja01-0","price":4400.0,"currency_code":"JPY","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0689\/1021\/9499\/files\/kn-ja01-0.jpg?v=1717762214","url":"https:\/\/bikeman.jp\/en\/products\/kn-ja01-0","provider":"バイクマン","version":"1.0","type":"link"}