{"product_id":"comp-cams-500-1-valve-seal-5-16in-ptfe","title":"COMP Cams 500-1 - Valve Seal 5\/16in PTFE","description":"\u003cp\u003eCOMP Cams 500-1 - Valve Seal 5\/16in PTFE\u003c\/p\u003e\u003cp\u003e1 PTFE Valve Seal for .530\" Guide Size, 5\/16\" Valve Stem\u003c\/p\u003e\u003cp\u003eCOMP's Positive Stop PTFE valve seals offer more clearance for dual springs with better sealing than o-ring or umbrella seals. This 500 seal has a .630\" outer diameter and fits applications with  5\/16\" valves and .530\" OD valve guides.\u003c\/p\u003e\u003cp\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eFits: 5\/16\" Valve Stems - .530\" Guides (.630\" Outer Diameter)\u003c\/li\u003e\n\u003cli\u003eValves Seals keep unwanted oil from entering the combustion chamber through clearance in the valve guides\u003c\/li\u003e\n\u003cli\u003eSmaller diameter than COMP Umbrella Seals to allow use with double springs\u003c\/li\u003e\n\u003c\/ul\u003e\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eValve Seal Type\u003c\/strong\u003e: \u003cspan\u003ePositive Stop PTFE\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eValve Stem Outer Diameter\u003c\/strong\u003e: \u003cspan\u003e5\/16\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eAmazon ASIN\u003c\/strong\u003e: \u003cspan\u003eB001R9BSTU\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eC.A.R.B. Exempt for Racing and Off-Road Only Vehicles?\u003c\/strong\u003e: \u003cspan\u003eYes, but must be a race\/competition only vehicle.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eC.A.R.B. Exempt for Federally Certified Vehicles Manufactured Before 1967?\u003c\/strong\u003e: \u003cspan\u003eYes, but must meet tailpipe emission standards for year of vehicle.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eC.A.R.B. Exempt for California Certified Vehicles Manufactured Before 1965?\u003c\/strong\u003e: \u003cspan\u003eYes, but must meet tailpipe emission standards for year of vehicle.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eC.A.R.B. Exempt for Foreign Vehicles Manufactured Before 1967?\u003c\/strong\u003e: \u003cspan\u003eYes, but must meet tailpipe emission standards for year of vehicle.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eC.A.R.B. Exempt for On-Road Vehicles?\u003c\/strong\u003e: \u003cspan\u003eYes\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eC.A.R.B. Exemption Reason\u003c\/strong\u003e: \u003cspan\u003eNo impact on pollution output of vehicle.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eC.A.R.B. E.O. Number\u003c\/strong\u003e: \u003cspan\u003eN\/A\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eSeal Outer Diameter\u003c\/strong\u003e: \u003cspan\u003e0.63\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eValve Guide Outer Diameter\u003c\/strong\u003e: \u003cspan\u003e0.53\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"COMP Cams","offers":[{"title":"Default Title","offer_id":49928787132694,"sku":"COMP-500-1","price":18.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0930\/0878\/9782\/files\/0_33f064475de0b46d8bd25f4ed53efb7b_normalized_6ccd7259-9b26-4080-977d-65d6e984ef44.jpg?v=1776747386","url":"https:\/\/www.cspracing.com\/products\/comp-cams-500-1-valve-seal-5-16in-ptfe","provider":"Complete Street Performance","version":"1.0","type":"link"}