{"product_id":"billet-head-kit-high-altitude-matryx-9r-polaris-04-318-h-900","title":"Billet Head Kit - High Altitude - Matryx 9R - Polaris - 04-318-H-900","description":"Increase cooling capacity for lower running temps which helps maintain peak power. High altitude kit gains 8-9 horsepower in the mid-range and 7-8 peak. Works in the 6000 - 9000 foot altitude range. Tune is required for the R9.. 91 pump gas is required.. BPR9ES NGK spark plug is recommended by Bikeman Performance..","brand":"Bikeman Performance","offers":[{"title":"Default Title","offer_id":42319731130458,"sku":"FGZT_04-318-H-900","price":675.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0596\/4991\/7018\/files\/09300244_0.png?v=1758322858","url":"https:\/\/trails-northpowersports.com\/products\/billet-head-kit-high-altitude-matryx-9r-polaris-04-318-h-900","provider":"Trails-North Powersports","version":"1.0","type":"link"}