{"product_id":"brian-crower-b-bc0900sx-2-b-polaris-pro-r-beehive-spring-steel-retainer-seal-w-o-seat-kit","title":"Polaris Pro-R Beehive Spring\/Steel Retainer\/Seal Kit w\/o Seat","description":"\u003cp\u003eBrian Crower beehive valve spring, steel retainer and seal kit for the Polaris RZR Pro R, built for high rpm. It runs without separate seats, and the beehive spring keeps the retainer light.\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 chromoly steel for set it and forget it wear\u003c\/li\u003e\n\u003cli\u003eBC1900-2 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\u003eBC2901S-2 retainer, 0.430 in net cam lift with BC3991 seal\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFits\u003c\/h3\u003e\u003cul\u003e\u003cli\u003ePolaris RZR Pro R\u003c\/li\u003e\u003c\/ul\u003e\n\u003ch3\u003eIn the box\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eBC1900-2 beehive valve springs\u003c\/li\u003e\n\u003cli\u003eBC2901S-2 steel retainers\u003c\/li\u003e\n\u003cli\u003eBC3991-2 valve stem seals\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eGood to know\u003c\/h3\u003e\u003cul\u003e\u003cli\u003eDoes not work with camshafts over 0.430 in lift. Retainer to seal contact will cause extensive damage to the head.\u003c\/li\u003e\u003c\/ul\u003e","brand":"Brian Crower, Inc","offers":[{"title":"Default Title","offer_id":67822849163358,"sku":"BC0900SX-2","price":590.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0770\/2406\/7678\/files\/IMG-0159_39c75a0a-e02b-49a2-9bdb-dfd180e44636.png?v=1792614956","url":"https:\/\/bonafidesxs.net\/products\/brian-crower-b-bc0900sx-2-b-polaris-pro-r-beehive-spring-steel-retainer-seal-w-o-seat-kit","provider":"Bona Fide SXS","version":"1.0","type":"link"}