{"product_id":"supertech-performance-valve-spring-retainer-kit-r52-r53-mini-s-jcw","title":"Supertech Performance Valve Spring \u0026 Retainer Kit - R52\/R53 MINI (S \u0026 JCW)","description":"\u003cp\u003e\n\t\n\u003c\/p\u003e\nThis valve spring and retainer kit is for performance built engines that demand it. \u003cbr\u003e\u003cbr\u003eDual Valve Spring for Triple Groove Valves. \u003cbr\u003e\u003cbr\u003e\u003cb\u003eSpecs:\u003c\/b\u003e\u003cbr\u003e\n\u003cul\u003e\n\t\u003cli\u003eInner Spring (OD\/ID): 20mm \/ 15.2mm \u003c\/li\u003e\n\t\u003cli\u003eCoil Bind: 20.7mm \u003c\/li\u003e\n\t\u003cli\u003ePressure (Open): 210lbs@11mm \u003c\/li\u003e\n\t\u003cli\u003eRate: 12.1lbs\/mm \u003c\/li\u003e\n\t\u003cli\u003eMax Net Lift: 14mm \u003c\/li\u003e\n\t\u003cli\u003ePressure (Seat): 76lbs@34.8mm \u003c\/li\u003e\n\t\u003cli\u003eOuter Spring (OD\/ID): 27.5mm \/ 20mm\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cbr\u003e\u003cinline\u003e\u003cinline style=\"font-size: 14px;\"\u003e\u003cb\u003eNote:\u003c\/b\u003e Always confirm part number fitment to your specific vehicle.\u003c\/inline\u003e\u003c\/inline\u003e\u003cbr\u003e","brand":"Supertech","offers":[{"title":"Default Title","offer_id":41039610282146,"sku":"SPRK-TS1015-MC","price":864.38,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0527\/9953\/7314\/products\/SPRK-TS1015-MC-2_85286d15-e9c0-4a8f-a81b-00ed90e79203.jpg?v=1633744870","url":"https:\/\/broxtuning.ca\/products\/supertech-performance-valve-spring-retainer-kit-r52-r53-mini-s-jcw","provider":"Brox Tuning","version":"1.0","type":"link"}