{"product_id":"kelford-tb48de-beehive-valve-springs-kvs223-bt","title":"Kelford TB48DE Beehive Valve Springs | KVS223-BT","description":"\u003cp\u003eBeehive Valve Spring and Titanium Retainer kit for Nissan TB48DE engines. Designed for high boost and high RPM racing engines. Made from ultra clean Silicon Chrome spring steel with a higher fatigue resistance compared to other spring steels. Heat treating and post processing is the highest quality available. High frequency spring design to reduce spring surge at high operating RPM.\u003c\/p\u003e \u003cp\u003e100lb seat pressure at 36.8mm installed height. 250lbs at 13.8mm valve lift. Coil bind at 22.0mm. 14.0mm max lift.\u003c\/p\u003e \u003cp\u003eKit includes:\u003c\/p\u003e \u003cul\u003e \u003cli\u003e24 Beehive valve springs\u003c\/li\u003e \u003cli\u003e24 Titanium retainers\u003c\/li\u003e \u003cli\u003e24 4140 Steel spring seats\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003eNote: to achieve 14mm valve lift, please check retainer to seal clearance, and sink the guide and spring register into the cylinder head accordingly. This will need +0.5mm of extra clearance, but please check as there may be some variation between cylinder heads. Spring seat locates on OEM spring pocket inner diameter.\u003c\/p\u003e","brand":"Kelford Cams","offers":[{"title":"Default Title","offer_id":67783785709798,"sku":"KVS223-BT","price":1337.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0729\/7541\/7574\/files\/KVS223-BT-5-small.jpg?v=1792153196","url":"https:\/\/boostedengineering.com.au\/products\/kelford-tb48de-beehive-valve-springs-kvs223-bt","provider":"Boosted Engineering","version":"1.0","type":"link"}