{"product_id":"kelford-bmw-b58-s58-extreme-beehive-spring-ti-retainer-seat","title":"Kelford BMW B58\/S58, EXTREME BEEHIVE SPRING, TI RETAINER \u0026 SEAT.","description":"\u003cp\u003eKelford Cams High Energy B58 and S58 Valve Springs. B58 \/ S58 Engine – 3.0L inline 6.\u003cbr\u003e\nHigh performance, progressively wound PACALOY beehive valve spring with titanium retainers.\u003cbr\u003e\nThis kit utilises a precision machined spring seat to max out the seat pressure for high boost, high horsepower builds.\u003cbr\u003e\nThis kits matches our Stage 2 and Stage 3 Camshafts for engines making over 1000HP.\u003cbr\u003e\n105lb seat pressure at 35mm installed height. 210lb at 10.8mm valve lift. Spring coil bind height at 23.6mm.\u003c\/p\u003e","brand":"Kelford Cams","offers":[{"title":"Default Title","offer_id":45005049233606,"sku":"KVS58-BTX","price":725.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0081\/0804\/8420\/files\/ebc74aed-4f4e-4e44-8d73-e321e0cdc0b8.webp?v=1758580890","url":"https:\/\/www.graveyardperformance.com\/products\/kelford-bmw-b58-s58-extreme-beehive-spring-ti-retainer-seat","provider":"Graveyard Performance","version":"1.0","type":"link"}