{"product_id":"brian-crower-b-bc0900-2-b-polaris-rzr-pro-r-21-up-beehive-spring-titanium-retainer-seat-kit","title":"Polaris RZR Pro-R (21-up) Beehive Spring\/Titanium Retainer\/Seat Kit","description":"\u003cp\u003eBrian Crower beehive valve spring, titanium retainer and seat kit for the Polaris RZR Pro R and RZR XP Turbo \/ XP 1000, built for high rpm. The 6AL4V titanium retainers add valve control above 10,000 rpm.\u003c\/p\u003e\n\u003ch3\u003eWhy it holds up\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eBC valve springs by PAC Racing, wound from clean chrome silicone alloy\u003c\/li\u003e\n\u003cli\u003eProprietary processing for consistent spring pressures\u003c\/li\u003e\n\u003cli\u003eRetainers machined from 6AL4V titanium alloy\u003c\/li\u003e\n\u003cli\u003eBC1900 single spring: 1.610 in free length, 83 lbs at 1.265 in seat, 197 lbs at 0.850 in open, 0.760 in coil bind\u003c\/li\u003e\n\u003cli\u003eBC2901 retainer, BC2911 spring seat, 0.450 in (11.43mm) net cam lift\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFits\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003ePolaris RZR Pro R (21-up)\u003c\/li\u003e\n\u003cli\u003ePolaris RZR XP Turbo (16-up)\u003c\/li\u003e\n\u003cli\u003ePolaris RZR XP 1000 (14-up)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eGood to know\u003c\/h3\u003e\u003cul\u003e\u003cli\u003eAlso requires BC3991 valve stem seals, sold separately.\u003c\/li\u003e\u003c\/ul\u003e","brand":"Brian Crower, Inc","offers":[{"title":"Default Title","offer_id":67822851522654,"sku":"BC0900-2","price":672.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0770\/2406\/7678\/files\/IMG_4915-edity_f23f5ae5-1b4b-45f0-ad40-adbae05f57ee.jpg?v=1792614971","url":"https:\/\/bonafidesxs.net\/products\/brian-crower-b-bc0900-2-b-polaris-rzr-pro-r-21-up-beehive-spring-titanium-retainer-seat-kit","provider":"Bona Fide SXS","version":"1.0","type":"link"}