{"product_id":"ferrea-valve-spring-titanium-retainer-kit-bmw-n54-s55","title":"Ferrea Valve Spring \u0026 Titanium Retainer Kit — BMW N54 \/ S55","description":"\u003cp\u003eFerrea’s KT4026 valvetrain kit combines single valve springs with titanium retainers for N54 and S55 engine builds.\u003c\/p\u003e\u003ch3\u003eKey details\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e24 S10158 single springs.\u003c\/li\u003e\n\u003cli\u003e12 E11130 exhaust and 12 E11131 intake titanium retainers.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFitment\u003c\/h3\u003e\u003cp\u003eBMW N54 and S55 engines using the KT4026 specification. This listing does not cover N55.\u003c\/p\u003e\u003ch3\u003eInstallation\u003c\/h3\u003e\u003cp\u003eSpecialist cylinder-head assembly required. Measure installed height, spring pressure, coil-bind and retainer clearances against the selected camshaft.\u003c\/p\u003e","brand":"Ferrea","offers":[{"title":"Default Title","offer_id":59030931636598,"sku":"FER-ENG-S55-001","price":1585.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1000\/1085\/2726\/files\/ferrea-valve-spring-titanium-retainer-kit-bmw-n54-s55.jpg?v=1792261090","url":"https:\/\/slnperformance.co.uk\/products\/ferrea-valve-spring-titanium-retainer-kit-bmw-n54-s55","provider":"SLN Performance LTD","version":"1.0","type":"link"}