{"product_id":"bmp-polaris-pro-r-big-bore-stroker-ported-head-complete","title":"Big Bore Stroker + Air Extreme \/ Pro r","description":"\u003cp data-mce-fragment=\"1\"\u003eThe Bikeman Performance Crate Engine provides the ultimate performance and reliability for your Pro R RZR. This 2.3L Naturally Aspirated engine offers a smooth idle and daily drivable manners. When you are ready to roll into the throttle, the engine is full of low end punch and comes to life in the high RPM's. The high flow CNC cylinder head and high lift camshaft allow this engine to accelerate its 395hp aggressively to 9000 rpm. Lean into the throttle on an dirt road and the power and sound experience is liberating. All this with the peace of mind that you are commanding a durable and reliable engine.  Power level is quoted based on pump gasoline and slip-on muffler and stock header.  Race pieces will increase output. \u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e  We ship worldwide.\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e\u003cstrong data-mce-fragment=\"1\"\u003eEngine is fully assembled and includes:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003eBored and Sleeved Cylinders\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e 4340 billet crank, 78mm stroke, BC ProH2K rods (4.915\" c-to-c), custom CP Pistons\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eOversize +1mm intake and exhaust valves (+4mm exhaust for full race version) for maximum airflow\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eHD exhaust springs\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eExhaust spring retainers\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eExhaust spring keepers\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e.430 lift high performance cams\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eCustom CNC porting\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cstrong data-mce-fragment=\"1\"\u003eBig power that loves to rev! \u003c\/strong\u003e\u003cstrong data-mce-fragment=\"1\"\u003eHard Flash is REQUIRED with this kit\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-mce-fragment=\"1\"\u003e\u003c\/ul\u003e","brand":"Bikeman Performance","offers":[{"title":"By Engine Outright","offer_id":56051145670978,"sku":"BMP-PRORSTROKER-1","price":25395.95,"currency_code":"USD","in_stock":true},{"title":"Send in good core","offer_id":56051145703746,"sku":"BMP-PRORSTROKER","price":16595.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0790\/0148\/5634\/files\/image_50756865h.jpg?v=1788367419","url":"https:\/\/allgeareduputv.com\/products\/bmp-polaris-pro-r-big-bore-stroker-ported-head-complete","provider":"AB Fabrication and Performance LLC","version":"1.0","type":"link"}