{"product_id":"supertech-performance-valve-spring-kit-r52-r53-mini-s-jcw","title":"Supertech Performance Valve Spring Kit - R52\/R53 MINI (S \u0026 JCW)","description":"\u003cp\u003e\n\t\n\u003c\/p\u003e\nThis valve spring is for performance built engines that demand it. \n\u003cbr\u003e\u003cbr\u003e\u003cb\u003eNote:\u003c\/b\u003e Does not mount to OEM Retainers. For the Full kit - see part number \u003ca href=\"http:\/\/www.urotuning.com\/Supertech-Performance-Valve-Spring-Retainers-R5X-p\/sprk-ts1015-mc.htm\" target=\"_blank\"\u003eSPRK-TS1015-MC\u003c\/a\u003e\u003cbr\u003e\u003cbr\u003eDual Valve Spring for Triple Groove Valves. \u003cbr\u003e\u003cbr\u003eSet of 16 springs.\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":41039609856162,"sku":"SPR-TS1015-MC","price":354.74,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0527\/9953\/7314\/products\/SPR-TS1015-MC-2_a91e905d-938b-42ce-82de-6bcf2ed4383a.jpg?v=1633744863","url":"https:\/\/broxtuning.ca\/products\/supertech-performance-valve-spring-kit-r52-r53-mini-s-jcw","provider":"Brox Tuning","version":"1.0","type":"link"}