{"product_id":"ferrea-intake-exhaust-titanium-retainer-bmw-m50-m51-m52-m54-s50-s52-e11025-1","title":"Ferrea Intake \u0026 Exhaust Titanium Retainer -  BMW \/ M50 \/ M51 \/ M52 \/ M54 \/ S50 \/ S52","description":"\u003cp\u003e\u003cspan\u003e\u003cbr\u003eFerrea is pleased to offer our Pro-Series Titanium Retainers including sizes that fit both traditional Domestic springs and Sport Compact springs. Precision CNC-machined from aerospace quality titanium, these Pro Retainers are fully heat-treated and finished to exact tolerances, adding strength while offering a 40% weight reduction over conventional steel retainers. Examine the overall quality of Ferrea’s Pro-Series Retainers and see why professional engine builders demand Ferrea Racing Components.\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eFor use with Double Spring-7 Degree Pro CNC Ferrea Racing Springs #S10049\u003c\/p\u003e\n\u003cp\u003e(M50 - M51 - M52)\u003cbr\u003eValve Stem Size: 6 mm\u003cbr\u003eDiameter (A): 28.20 mm\u003cbr\u003eInn Step Diameter (C): 17.17 mm\u003cbr\u003eReferences: Double Spring-7 Degree Pro CNC Ferrea Racing\u003cbr\u003e\u003cbr\u003eReplaces OEM Part #: 11-34-1-432-453 \/ 11 34 1 432 453 \/ 11341432453\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003c\/span\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Ferrea","offers":[{"title":"Default Title","offer_id":49336186405057,"sku":"E11025-1","price":23.79,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0005\/7773\/2663\/files\/805523_x800_36f8a282-9dbc-43e0-9142-097877bca717.webp?v=1749748600","url":"https:\/\/www.urotuning.com\/products\/ferrea-intake-exhaust-titanium-retainer-bmw-m50-m51-m52-m54-s50-s52-e11025-1","provider":"UroTuning","version":"1.0","type":"link"}