{"product_id":"spr-k-h1005d-bm-dual-valve-spring","title":"SPR K-H1005D\/BM Dual Valve Spring","description":"The Supertech Performance SPRK-H1005D\/BM Dual valve spring kit is engineered for high-performance engine builds, offering superior durability and control at elevated RPMs.\n\nThe kit features computer-designed valve springs that meticulously manage wire stress, keeping it below fatigue limits and ensuring stable harmonic control. The included retainers are precision-machined from military-certified Titanium alloy, guaranteeing a secure fit and enhanced durability.\n\nThis dual valve spring kit is specifically designed for BMW S42, M42, M50, S50, M52, and M54 engines, covering model years from 1991 to 2006. It provides 94 lbs of pressure at 35.70mm and an open pressure of 209 lbs at 10mm, with a maximum lift of 12mm, making it suitable for demanding applications.","brand":"Supertech","offers":[{"title":"Default Title","offer_id":52663923310904,"sku":"SPTSPRK-H1005D-BM","price":861.2,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0970\/4895\/3144\/files\/687720600.webp?v=1784330871","url":"https:\/\/store.motormia.co\/products\/spr-k-h1005d-bm-dual-valve-spring","provider":"MOTORMIA","version":"1.0","type":"link"}