{"product_id":"oem-harley-sportster-evolution-cylinder-heads-rockers-valves-17579-95-core","title":"Harley Evolution Sportster Cylinder Heads Rockers Valves 17579-95 Parts Core","description":"\u003cdiv class=\"n6owBd awi2gc\" data-sfc-cp=\"\" data-sfc-root=\"ep\" data-sfc-cb=\"\" data-hveid=\"CAAIBBAA\" data-complete=\"true\" data-processed=\"true\" data-copy-service-computed-style='font-family: \"Google Sans\", Roboto, Arial, sans-serif; font-size: 16px; font-weight: 400; margin: 12px 0px 16px; text-decoration: none; border-bottom: 0px rgb(230, 232, 240);'\u003eUp for sale is a pre-owned, genuine original equipment manufacturer (OEM) \u003cstrong class=\"Yjhzub\" data-sfc-root=\"ep\" data-sfc-cb=\"\" data-complete=\"true\" data-processed=\"true\" data-copy-service-computed-style='font-family: \"Google Sans\", Roboto, Arial, sans-serif; font-size: 16px; font-weight: 700; margin: 0px; text-decoration: none; border-bottom: 0px rgb(230, 232, 240);'\u003e\u003cspan class=\"T286Pc\" data-sfc-cp=\"\" data-sfc-root=\"ep\" data-sfc-cb=\"\" data-complete=\"true\" data-processed=\"true\" data-copy-service-computed-style='font-family: \"Google Sans\", Roboto, Arial, sans-serif; font-size: 16px; font-weight: 700; margin: 0px; text-decoration: none; border-bottom: 0px rgb(230, 232, 240);'\u003e\u003cspan data-copy-service-computed-style='font-family: \"Google Sans\", Roboto, Arial, sans-serif; font-size: 16px; font-weight: 700; margin: 0px; text-decoration: none; border-bottom: 0px rgb(230, 232, 240);'\u003e\u003ca class=\"SmjhRb bqYA2d\" data-link-behavior=\"nocobrowse\" role=\"link\" id=\"pvlinkx_ZDaravBZqYwbkP6JOTyQs_3\" aria-describedby=\"pvlink-desc-x_ZDaravBZqYwbkP6JOTyQs_4\" data-ved=\"2ahUKEwj2rp3iuK-VAxUaTDABHejJJLkQ-ooSegYIAAgEEAI\" data-copy-service-computed-style='font-family: \"Google Sans\", Roboto, Arial, sans-serif; font-size: 16px; font-weight: 700; margin: 0px; text-decoration: underline 10% dotted rgb(139, 140, 145); border-bottom: 0px rgb(230, 232, 240);' tabindex=\"0\"\u003e\u003c\/a\u003eHarley-Davidson Evolution Sportster Cylinder Head, Rocker, and Valve Mechanics Package\u003c\/span\u003e\u003c\/span\u003e\u003c\/strong\u003e. Stamped with factory mold code reference \u003cstrong class=\"Yjhzub\" data-sfc-root=\"ep\" data-sfc-cb=\"\" data-complete=\"true\" data-processed=\"true\" data-copy-service-computed-style='font-family: \"Google Sans\", Roboto, Arial, sans-serif; font-size: 16px; font-weight: 700; margin: 0px; text-decoration: none; border-bottom: 0px rgb(230, 232, 240);'\u003e#17579-95\u003c\/strong\u003e, this matched assembly lot was pulled straight from a garage teardown project.\u003cspan\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"n6owBd awi2gc\" data-sfc-cp=\"\" data-sfc-root=\"ep\" data-sfc-cb=\"\" data-hveid=\"CAAIBBAA\" data-complete=\"true\" data-processed=\"true\" data-copy-service-computed-style='font-family: \"Google Sans\", Roboto, Arial, sans-serif; font-size: 16px; font-weight: 400; margin: 12px 0px 16px; text-decoration: none; border-bottom: 0px rgb(230, 232, 240);'\u003e\n\u003cul class=\"KsbFXc U6u95\" data-sfc-root=\"ep\" data-sfc-cb=\"\" data-complete=\"true\" data-processed=\"true\" data-copy-service-computed-style='font-family: \"Google Sans\", Roboto, Arial, sans-serif; font-size: 16px; font-weight: 400; margin: 12px 0px 16px; text-decoration: none; border-bottom: 0px rgb(230, 232, 240);'\u003e\n\u003cli class=\"Z1qcYe\" data-sfc-cp=\"\" data-sfc-root=\"ep\" data-sfc-cb=\"\" data-hveid=\"CAAIBhAH\" data-complete=\"true\" data-sae=\"\" data-copy-service-computed-style='font-family: \"Google Sans\", Roboto, Arial, sans-serif; font-size: 16px; font-weight: 400; margin: 0px 0px 12px; text-decoration: none; border-bottom: 0px rgb(230, 232, 240);'\u003e\n\u003cspan class=\"T286Pc\" data-sfc-cp=\"\" data-sfc-root=\"ep\" data-sfc-cb=\"\" data-complete=\"true\" data-copy-service-computed-style='font-family: \"Google Sans\", Roboto, Arial, sans-serif; font-size: 16px; font-weight: 400; margin: 0px; text-decoration: none; border-bottom: 0px rgb(230, 232, 240);'\u003eCondition Details: Rough, rider-grade pre-owned builder core condition with noted defects. The cast aluminum cylinder head shells are structurally solid with zero cracked cooling fins or blown spark plug plug lines. The valvetrain mechanisms (all rocker arms, shafts, and valve springs) are intact, and the valves are straight and functional. \u003cstrong class=\"Yjhzub\" data-sfc-root=\"ep\" data-sfc-cb=\"\" data-complete=\"true\" data-copy-service-computed-style='font-family: \"Google Sans\", Roboto, Arial, sans-serif; font-size: 16px; font-weight: 700; margin: 0px; text-decoration: none; border-bottom: 0px rgb(230, 232, 240);'\u003eDefects: The rear head's intake manifold mounting threads are stripped and require a Helicoil repair. The combustion chambers display cosmetic ding scars from piston fragments.\u003c\/strong\u003e This lot is a prime candidate for a custom engine builder who plans to clean out the combustion chambers, trim down the high spots, perform mild porting\/polishing work, and repair the thread lines to salvage a budget-friendly motor.\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli class=\"Z1qcYe\" data-sfc-cp=\"\" data-sfc-root=\"ep\" data-sfc-cb=\"\" data-hveid=\"CAAIBhAH\" data-complete=\"true\" data-sae=\"\" data-copy-service-computed-style='font-family: \"Google Sans\", Roboto, Arial, sans-serif; font-size: 16px; font-weight: 400; margin: 0px 0px 12px; text-decoration: none; border-bottom: 0px rgb(230, 232, 240);'\u003e\n\u003cdiv class=\"n6owBd awi2gc\" data-sfc-cp=\"\" data-sfc-root=\"ep\" data-sfc-cb=\"\" data-hveid=\"CAAIBxAA\" data-complete=\"true\" data-processed=\"true\" data-copy-service-computed-style='font-family: \"Google Sans\", Roboto, Arial, sans-serif; font-size: 16px; font-weight: 400; margin: 12px 0px 16px; text-decoration: none; border-bottom: 0px rgb(230, 232, 240);'\u003ePlatform Fitment Bounds: Direct factory overhaul core or performance custom project motor build package designed explicitly for standard original equipment overhead valve configurations on 1986 to 2003 carburetor-equipped Harley-Davidson Evolution Sportster (XL) and early Buell models:\u003cspan\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cul class=\"KsbFXc U6u95\" data-sfc-root=\"ep\" data-sfc-cb=\"\" data-complete=\"true\" data-processed=\"true\" data-copy-service-computed-style='font-family: \"Google Sans\", Roboto, Arial, sans-serif; font-size: 16px; font-weight: 400; margin: 12px 0px 16px; text-decoration: none; border-bottom: 0px rgb(230, 232, 240);'\u003e\n\u003cli class=\"Z1qcYe\" data-sfc-cp=\"\" data-sfc-root=\"ep\" data-sfc-cb=\"\" data-hveid=\"CAAICBAA\" data-complete=\"true\" data-sae=\"\" data-copy-service-computed-style='font-family: \"Google Sans\", Roboto, Arial, sans-serif; font-size: 16px; font-weight: 400; margin: 0px 0px 12px; text-decoration: none; border-bottom: 0px rgb(230, 232, 240);'\u003e\u003cspan class=\"T286Pc\" data-sfc-cp=\"\" data-sfc-root=\"ep\" data-sfc-cb=\"\" data-complete=\"true\" data-copy-service-computed-style='font-family: \"Google Sans\", Roboto, Arial, sans-serif; font-size: 16px; font-weight: 400; margin: 0px; text-decoration: none; border-bottom: 0px rgb(230, 232, 240);'\u003e\u003cstrong class=\"Yjhzub\" data-sfc-root=\"ep\" data-sfc-cb=\"\" data-complete=\"true\" data-copy-service-computed-style='font-family: \"Google Sans\", Roboto, Arial, sans-serif; font-size: 16px; font-weight: 700; margin: 0px; text-decoration: none; border-bottom: 0px rgb(230, 232, 240);'\u003eSportster XL883 Series (1986–2003):\u003c\/strong\u003e \u003cspan data-copy-service-computed-style='font-family: \"Google Sans\", Roboto, Arial, sans-serif; font-size: 16px; font-weight: 400; margin: 0px; text-decoration: none; border-bottom: 0px rgb(230, 232, 240);'\u003eXLH883 Standard\u003c\/span\u003e, \u003cspan data-copy-service-computed-style='font-family: \"Google Sans\", Roboto, Arial, sans-serif; font-size: 16px; font-weight: 400; margin: 0px; text-decoration: none; border-bottom: 0px rgb(230, 232, 240);'\u003eDeluxe\u003c\/span\u003e, \u003cspan data-copy-service-computed-style='font-family: \"Google Sans\", Roboto, Arial, sans-serif; font-size: 16px; font-weight: 400; margin: 0px; text-decoration: none; border-bottom: 0px rgb(230, 232, 240);'\u003eHugger\u003c\/span\u003e, \u003cspan data-copy-service-computed-style='font-family: \"Google Sans\", Roboto, Arial, sans-serif; font-size: 16px; font-weight: 400; margin: 0px; text-decoration: none; border-bottom: 0px rgb(230, 232, 240);'\u003eCustom\u003c\/span\u003e.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"Z1qcYe\" data-sfc-cp=\"\" data-sfc-root=\"ep\" data-sfc-cb=\"\" data-hveid=\"CAAICBAF\" data-complete=\"true\" data-sae=\"\" data-copy-service-computed-style='font-family: \"Google Sans\", Roboto, Arial, sans-serif; font-size: 16px; font-weight: 400; margin: 0px 0px 12px; text-decoration: none; border-bottom: 0px rgb(230, 232, 240);'\u003e\u003cspan class=\"T286Pc\" data-sfc-cp=\"\" data-sfc-root=\"ep\" data-sfc-cb=\"\" data-complete=\"true\" data-copy-service-computed-style='font-family: \"Google Sans\", Roboto, Arial, sans-serif; font-size: 16px; font-weight: 400; margin: 0px; text-decoration: none; border-bottom: 0px rgb(230, 232, 240);'\u003e\u003cstrong class=\"Yjhzub\" data-sfc-root=\"ep\" data-sfc-cb=\"\" data-complete=\"true\" data-copy-service-computed-style='font-family: \"Google Sans\", Roboto, Arial, sans-serif; font-size: 16px; font-weight: 700; margin: 0px; text-decoration: none; border-bottom: 0px rgb(230, 232, 240);'\u003eSportster XL1200 Series (1988–2003):\u003c\/strong\u003e \u003cspan data-copy-service-computed-style='font-family: \"Google Sans\", Roboto, Arial, sans-serif; font-size: 16px; font-weight: 400; margin: 0px; text-decoration: none; border-bottom: 0px rgb(230, 232, 240);'\u003eXLH1200 Standard\u003c\/span\u003e, \u003cspan data-copy-service-computed-style='font-family: \"Google Sans\", Roboto, Arial, sans-serif; font-size: 16px; font-weight: 400; margin: 0px; text-decoration: none; border-bottom: 0px rgb(230, 232, 240);'\u003eXL1200C Custom\u003c\/span\u003e, \u003cspan data-copy-service-computed-style='font-family: \"Google Sans\", Roboto, Arial, sans-serif; font-size: 16px; font-weight: 400; margin: 0px; text-decoration: none; border-bottom: 0px rgb(230, 232, 240);'\u003eXL1200S Sport\u003c\/span\u003e (Check dual-plug head geometries).\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"Z1qcYe\" data-sfc-cp=\"\" data-sfc-root=\"ep\" data-sfc-cb=\"\" data-hveid=\"CAAICBAJ\" data-complete=\"true\" data-sae=\"\" data-copy-service-computed-style='font-family: \"Google Sans\", Roboto, Arial, sans-serif; font-size: 16px; font-weight: 400; margin: 0px 0px 12px; text-decoration: none; border-bottom: 0px rgb(230, 232, 240);'\u003e\n\u003cspan class=\"T286Pc\" data-sfc-cp=\"\" data-sfc-root=\"ep\" data-sfc-cb=\"\" data-complete=\"true\" data-copy-service-computed-style='font-family: \"Google Sans\", Roboto, Arial, sans-serif; font-size: 16px; font-weight: 400; margin: 0px; text-decoration: none; border-bottom: 0px rgb(230, 232, 240);'\u003e\u003cstrong class=\"Yjhzub\" data-sfc-root=\"ep\" data-sfc-cb=\"\" data-complete=\"true\" data-copy-service-computed-style='font-family: \"Google Sans\", Roboto, Arial, sans-serif; font-size: 16px; font-weight: 700; margin: 0px; text-decoration: none; border-bottom: 0px rgb(230, 232, 240);'\u003eBuell V-Twin Models (1995–2002):\u003c\/strong\u003e \u003cspan data-copy-service-computed-style='font-family: \"Google Sans\", Roboto, Arial, sans-serif; font-size: 16px; font-weight: 400; margin: 0px; text-decoration: none; border-bottom: 0px rgb(230, 232, 240);'\u003eS1 Lightning\u003c\/span\u003e, \u003cspan data-copy-service-computed-style='font-family: \"Google Sans\", Roboto, Arial, sans-serif; font-size: 16px; font-weight: 400; margin: 0px; text-decoration: none; border-bottom: 0px rgb(230, 232, 240);'\u003eS3 Thunderbolt\u003c\/span\u003e, \u003cspan data-copy-service-computed-style='font-family: \"Google Sans\", Roboto, Arial, sans-serif; font-size: 16px; font-weight: 400; margin: 0px; text-decoration: none; border-bottom: 0px rgb(230, 232, 240);'\u003eM2 Cyclone\u003c\/span\u003e running early Evolution-style cylinder head layouts.\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Harley-Davidson","offers":[{"title":"Default Title","offer_id":45745479549025,"sku":"F35 Box 4","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0563\/6800\/5217\/files\/DSC08689_da0f7650-1e2f-408c-aff4-9550f8294f80.jpg?v=1782838697","url":"https:\/\/lifeforlifestyle.com\/products\/oem-harley-sportster-evolution-cylinder-heads-rockers-valves-17579-95-core","provider":"Lifestyle Powersports","version":"1.0","type":"link"}