{"product_id":"tk-1813-valve-spring","title":"TK-1813 Conical Valve Spring","description":"\u003cp\u003e1.800 Installed Height, Up to .700\" Lift Conical valve springs made with ovate wire gives superior high rpm stability with extra longevity for Hydraulic or Solid roller camshafts looking to maximize performance on the street and track.\u003c\/p\u003e\n\u003cp\u003eSpring Rate 450 Lbs\/In\u003c\/p\u003e\n\u003cp\u003eInstalled Height: 1.800 = 135 Lbs      Lift .700\" = 450 Lbs   \u003c\/p\u003e\n\u003cp\u003eRecommend setting approximate Distance to Bind .050-.075\"\u003c\/p\u003e\n\u003cp\u003eSolid Height: 1.030 (Approximately) Will Vary Slightly\u003c\/p\u003e\n\u003cp\u003eBottom OD 1.310\"  Bottom ID: .885\"\u003c\/p\u003e\n\u003cp\u003eTop OD 1.075\"  Top ID: .650\u003c\/p\u003e\n\u003cp\u003ePrice for single spring\u003c\/p\u003e\n\u003cp\u003eNote: Use TKR-1813 Titanium or similar Pac R-311 style Retainer\u003c\/p\u003e","brand":"10K Technology","offers":[{"title":"Default Title","offer_id":46004437549235,"sku":"TK-1813","price":26.25,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0711\/1970\/0147\/files\/image0_2.jpg?v=1772815796","url":"https:\/\/10k-technology.com\/products\/tk-1813-valve-spring","provider":"10K Technology","version":"1.0","type":"link"}