{"product_id":"ferrea-6000-series-valves-ls1-int-2-020-head-4-900-length-8mm-stem-0-160-tip-length-rdl-groove-f6231","title":"Ferrea 6000 Series Valves - LS1 - Int - 2.020\" Head - 4.900\" Length - 8MM Stem - 0.160\" Tip Length - Rdl Groove","description":"\u003cp\u003eFERREA 6000 SERIES VALVES - LS1 - INT - 2.020\" HEAD - 4.900\" LENGTH - 8mm STEM - 0.160\" TIP LENGTH - RDL GROOVE - F6231\u003cbr\u003e\nThe 6000 Series Competition Valves are designed to provide excellent reliability in an environment of high spring pressures and roller cams, at a budget price. They have higher fatigue resistance and tensile strengths than our competitor’s best offerings.\u003cbr\u003e\n \u003cbr\u003e\n To manufacture the valves we use our exclusive two-step slow forging process using EV8 stainless steel on both intake and exhaust valves.We provide a special heat-treatment and stress relieving process, along with hard chrome stems and friction-welded hard tips. We finish with a swirl polished head. The valves feature flow improvements to deliver the power needed for today’s sophisticated racing engines.\u003c\/p\u003e","brand":"Ferrea","offers":[{"title":"Default Title","offer_id":52041573466406,"sku":"F6231","price":30.03,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0741\/1666\/1542\/files\/m2_f6231_61.jpg?v=1770811933","url":"https:\/\/billysspeedshop.com\/fr\/products\/ferrea-6000-series-valves-ls1-int-2-020-head-4-900-length-8mm-stem-0-160-tip-length-rdl-groove-f6231","provider":"Billys Speed Shop","version":"1.0","type":"link"}