{"product_id":"kelford-valve-spring-titanium-retainer-kit-bmw-b58-s58","title":"Kelford Valve Spring \u0026 Titanium Retainer Kit — BMW B58 \/ S58","description":"\u003cp\u003eKelford beehive valve springs and titanium retainers for compatible BMW B58 and S58 performance engine builds.\u003c\/p\u003e\u003ch3\u003eKey details\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eComponents pictured; the complete valve-spring kit is supplied as specified.\u003c\/li\u003e\n\u003cli\u003ePACALOY spring construction with titanium retainers.\u003c\/li\u003e\n\u003cli\u003eKVS58-BT kit; not the higher-load BTX version.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFitment\u003c\/h3\u003e\u003cp\u003eB58 \/ S58 applications using the matching Kelford valvetrain specification.\u003c\/p\u003e\u003ch3\u003eInstallation\u003c\/h3\u003e\u003cp\u003eThe engine builder must measure installed height, spring pressure and coil-bind clearance against the selected camshaft. Follow Kelford’s fitting data; an engine code alone does not determine final assembly clearances.\u003c\/p\u003e","brand":"Kelford","offers":[{"title":"Default Title","offer_id":59030930096502,"sku":"KEL-ENG-B58-002","price":885.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1000\/1085\/2726\/files\/kelford-valve-spring-titanium-retainer-kit-bmw-b58-s58.jpg?v=1792261074","url":"https:\/\/slnperformance.co.uk\/products\/kelford-valve-spring-titanium-retainer-kit-bmw-b58-s58","provider":"SLN Performance LTD","version":"1.0","type":"link"}