{"product_id":"kelford-298-288-stage-3-bmw-s58","title":"Kelford 298\/288 | Stage 3 BMW S58","description":"\u003cp\u003eBMW M car Stage 3 drag racing cams designed for professionally built S58 engines producing 1400hp+. Turbo sizing 76mm+ on high boost. Ethanol blend or methanol.\u003c\/p\u003e\n\n\u003cp\u003eValve Spring Upgrade is required, Kelford Cams recommend valve spring KVS58-BT.\u003cbr\u003e\nPlease check intake intermediate rockers for clearance to the new racing cam lobe, OEM pressed steel rockers have sharp edges which may foul on the bigger cam lobe.\u003cbr\u003e\nTrim\/deburr as necessary\u003c\/p\u003e","brand":"Kelford Cams","offers":[{"title":"Default Title","offer_id":45005007519942,"sku":"358-C","price":1259.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0081\/0804\/8420\/files\/77d1606d-16ff-4a8c-acdc-f61651afa120.png?v=1758580409","url":"https:\/\/www.graveyardperformance.com\/products\/kelford-298-288-stage-3-bmw-s58","provider":"Graveyard Performance","version":"1.0","type":"link"}