{"product_id":"kelford-bmw-b58-gen1-performance-cams-257-c","title":"Kelford BMW B58 Gen1 Performance Cams 257-C","description":"\u003cp\u003eBMW Gen1 B58 Camshafts - 288° Stage 3 drag racing cams for professionally built B58 Gen 1 engines making 1200hp+. Turbo sizing 72mm+ on high boost. Fuel type ethanol blend or methanol. Must have valve spring upgrade, Kelford Cams recommend valve spring KVS57-BT.  \u003cbr\u003e\nBMW have released these engines in several revisions. To simplify things the Kelford team have named these revisions Gen 1, Gen 1.5 \u0026amp; Gen 2.\u003cbr\u003e\nPlease use attached \"Generation Picker\" document to ensure correct camshaft selection. \u003cbr\u003e\nIf you are unsure of the generation of your engine please contact the sales team \u0026amp; they will make sure you get the correct camshafts.\u003c\/p\u003e","brand":"Kelford Cams","offers":[{"title":"Default Title","offer_id":45005000769734,"sku":"257-C","price":1259.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0081\/0804\/8420\/files\/492301c7-9282-4870-b84a-7a2d028927c4.jpg?v=1758580329","url":"https:\/\/www.graveyardperformance.com\/products\/kelford-bmw-b58-gen1-performance-cams-257-c","provider":"Graveyard Performance","version":"1.0","type":"link"}