{"product_id":"bc0983","title":"Brian Crower Polaris Pro R (21-up) Stage 3 Normally Aspirated Race Spec (pair) BC0983","description":"\u003cp data-mce-fragment=\"1\"\u003e\u003cspan\u003eDesigned for modified engines. Requires BC valve spring kit, seals and guides for clearance due to high lift. Must run with aftermarket pistons with proper valve reliefs built-in. Cannot be ran with stock\/OE pistons due to possible piston to valve contact.\u003c\/span\u003e\u003c\/p\u003e\n\u003ctable data-mce-fragment=\"1\"\u003e\n\u003ctbody data-mce-fragment=\"1\"\u003e\n\u003ctr bgcolor=\"#FFFFFF\" data-mce-fragment=\"1\"\u003e\n\u003ctd align=\"right\" data-mce-fragment=\"1\"\u003eAdv Dur (.020\")\u003c\/td\u003e\n\u003ctd data-mce-fragment=\"1\"\u003e265°\/265°\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr bgcolor=\"#FFFFFF\" data-mce-fragment=\"1\"\u003e\n\u003ctd align=\"right\" data-mce-fragment=\"1\"\u003eDur @ .050\u003c\/td\u003e\n\u003ctd data-mce-fragment=\"1\"\u003e240°\/240°\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr bgcolor=\"#FFFFFF\" data-mce-fragment=\"1\"\u003e\n\u003ctd align=\"right\" data-mce-fragment=\"1\"\u003eValve Lift (1:1)\u003c\/td\u003e\n\u003ctd data-mce-fragment=\"1\"\u003e.450\"\/.450\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr bgcolor=\"#FFFFFF\" data-mce-fragment=\"1\"\u003e\n\u003ctd align=\"right\" data-mce-fragment=\"1\"\u003eValve Lift (mm)\u003c\/td\u003e\n\u003ctd data-mce-fragment=\"1\"\u003e11.43\/11.43\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"Brian Crower Inc","offers":[{"title":"Default Title","offer_id":48881155571864,"sku":"9ITYT","price":799.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0564\/0867\/0360\/files\/Polaris-Pro-R_f75d44d1-4842-4c5f-b0a4-de607f31cff4.jpg?v=1776391738","url":"https:\/\/frsport.com\/products\/bc0983","provider":"FR SPORT","version":"1.0","type":"link"}