{"product_id":"72-harley-davidson-ironhead-sportster-xlh-1000-front-and-rear-cylinders-heads-398441788093","title":"72 Harley Davidson Ironhead Sportster XLH 1000 Front \u0026 Rear Cylinders Heads","description":"\u003cdiv class=\"n6owBd awi2gc\" data-sfc-cp=\"\" jsaction=\"\" jscontroller=\"TDBkbc#Ml18Xb\" data-sfc-root=\"ep\" jsuid=\"Zs1Vge_14\" data-hveid=\"CAAIPBAA\" data-complete=\"true\" data-processed=\"true\" data-copy-service-computed-style=\"font-family: \" google sans roboto arial sans-serif none rgb style=\"font-family: \" font-size:=\"\" font-weight:=\"\" margin:=\"\" text-decoration:=\"\" border-bottom:=\"\"\u003eUsed \u003cspan class=\"rQesXe MPyX\" data-sfc-cp=\"\" jsaction=\"\" jscontroller=\"tP2kf#s32ZS\" data-sfc-root=\"ep\" jsuid=\"Zs1Vge_15\" data-complete=\"true\" data-processed=\"true\" data-copy-service-computed-style=\"font-family: \" google sans roboto arial sans-serif font-size: font-weight: margin: text-decoration: none border-bottom: rgb style=\"font-weight: 700; margin: 0px; border-bottom: 0px rgb(230, 232, 240);\"\u003eGenuine OEM Harley-Davidson Ironhead Sportster 1000cc Cylinder Heads Set\u003c!--TgQPHd|||[]--\u003e\u003c\/span\u003e. This matched front and rear assembly features the classic factory cast iron build configuration engineered exclusively for early 1970s overhead-valve Sportster powertrains.\u003c!--TgQPHd|||[]--\u003e\n\u003c\/div\u003e\u003cdiv class=\"n6owBd awi2gc\" data-sfc-cp=\"\" jsaction=\"\" jscontroller=\"TDBkbc#Ml18Xb\" data-sfc-root=\"ep\" jsuid=\"Zs1Vge_1b\" data-hveid=\"CAAIPRAA\" data-complete=\"true\" data-processed=\"true\" data-copy-service-computed-style=\"font-family: \" google sans roboto arial sans-serif none rgb style=\"font-family: \" font-size:=\"\" font-weight:=\"\" margin:=\"\" text-decoration:=\"\" border-bottom:=\"\"\u003e\n\u003cspan class=\"rQesXe MPyX\" data-sfc-cp=\"\" jsaction=\"\" jscontroller=\"tP2kf#s32ZS\" data-sfc-root=\"ep\" jsuid=\"Zs1Vge_1c\" data-complete=\"true\" data-processed=\"true\" data-copy-service-computed-style=\"font-family: \" google sans roboto arial sans-serif font-size: font-weight: margin: text-decoration: none border-bottom: rgb style=\"font-weight: 700; margin: 0px; border-bottom: 0px rgb(230, 232, 240);\"\u003eImportant Condition Core Note:\u003c!--TgQPHd|||[]--\u003e\u003c\/span\u003e This matching pair is being sold strictly as a \u003cspan class=\"rQesXe MPyX\" data-sfc-cp=\"\" jsaction=\"\" jscontroller=\"tP2kf#s32ZS\" data-sfc-root=\"ep\" jsuid=\"Zs1Vge_1d\" data-complete=\"true\" data-processed=\"true\" data-copy-service-computed-style=\"font-family: \" google sans roboto arial sans-serif font-size: font-weight: margin: text-decoration: none border-bottom: rgb style=\"font-weight: 700; margin: 0px; border-bottom: 0px rgb(230, 232, 240);\"\u003erebuildable core lot\u003c!--TgQPHd|||[]--\u003e\u003c\/span\u003e or for garage decorative display. The heads exhibit heavy, uniform surface rust blooming across the outer cast iron cooling fins, lower combustion domes, and valve stems. The inner hemispherical combustion chambers display extensive, thick carbon soot cake and dry combustion scale crusting. The intake and exhaust valve ports carry typical internal powdery storage rust patches and carbon scaling along the guides. The upper rocker cover box mounting areas feature oxidized scaling but retain straight, usable structural paths. Two vintage spark plugs remain installed in the ports to protect the internal thread tunnels from stripping out during long-term storage.\u003c!--TgQPHd|||[]--\u003e\n\u003c\/div\u003e\u003cdiv class=\"n6owBd awi2gc\" data-sfc-cp=\"\" jsaction=\"\" jscontroller=\"TDBkbc#Ml18Xb\" data-sfc-root=\"ep\" jsuid=\"Zs1Vge_1j\" data-hveid=\"CAAIPhAA\" data-complete=\"true\" data-processed=\"true\" data-copy-service-computed-style=\"font-family: \" google sans roboto arial sans-serif none rgb style=\"font-family: \" font-size:=\"\" font-weight:=\"\" margin:=\"\" text-decoration:=\"\" border-bottom:=\"\"\u003e\n\u003cspan class=\"rQesXe MPyX\" data-sfc-cp=\"\" jsaction=\"\" jscontroller=\"tP2kf#s32ZS\" data-sfc-root=\"ep\" jsuid=\"Zs1Vge_1k\" data-complete=\"true\" data-processed=\"true\" data-copy-service-computed-style=\"font-family: \" google sans roboto arial sans-serif font-size: font-weight: margin: text-decoration: none border-bottom: rgb style=\"font-weight: 700; margin: 0px; border-bottom: 0px rgb(230, 232, 240);\"\u003ePlease note that this listing is for exactly 1 matching front and rear Ironhead cylinder head pair core assembly as pictured. Rocker boxes, intake manifolds, and installation gaskets are not included.\u003c!--TgQPHd|||[]--\u003e\u003c\/span\u003e\u003c!--TgQPHd|||[]--\u003e\n\u003c\/div\u003e\u003cdiv class=\"yhAwj\" data-sfc-cp=\"\" jsaction=\"rcuQ6b:\u0026amp;Zs1Vge_1q|npT2md\" jscontroller=\"UTzWVc#U8DOt\" data-sfc-root=\"ep\" jsuid=\"Zs1Vge_1q\" data-complete=\"true\" data-processed=\"true\" data-sfc-inited=\"2\" data-copy-service-computed-style=\"font-family: \" google sans roboto arial sans-serif none rgb style=\"font-family: \" font-size:=\"\" font-weight:=\"\" margin:=\"\" text-decoration:=\"\" border-bottom:=\"\"\u003e\u003c!--TgQPHd|||[]--\u003e\u003c\/div\u003e\u003chr class=\"s6NV4e\" jsaction=\"\" jscontroller=\"gWGJ0d#iOlsLd\" data-sfc-root=\"ep\" jsuid=\"Zs1Vge_1r\" data-sfc-pl=\"|||[]\" data-complete=\"true\" data-processed=\"true\" data-sae=\"\" style=\"font-family: \" google sans roboto arial sans-serif rgb data-copy-service-computed-style=\"font-family: \" none font-size:=\"\" margin:=\"\" border-bottom:=\"\" font-weight:=\"\" text-decoration:=\"\"\u003e\u003cdiv class=\"yhAwj\" data-sfc-cp=\"\" jsaction=\"rcuQ6b:\u0026amp;Zs1Vge_1s|npT2md\" jscontroller=\"UTzWVc#U8DOt\" data-sfc-root=\"ep\" jsuid=\"Zs1Vge_1s\" data-complete=\"true\" data-processed=\"true\" data-sfc-inited=\"2\" data-copy-service-computed-style=\"font-family: \" google sans roboto arial sans-serif none rgb style=\"font-family: \" font-size:=\"\" font-weight:=\"\" margin:=\"\" text-decoration:=\"\" border-bottom:=\"\"\u003e\u003c!--TgQPHd|||[]--\u003e\u003c\/div\u003e\u003cdiv class=\"otQkpb\" aria-level=\"3\" role=\"heading\" data-animation-nesting=\"\" data-sfc-cp=\"\" jsaction=\"\" data-wiz-attrbind=\"aria-level=Zs1Vge_1t\/fLk2Md\" jscontroller=\"a7qCn#ZxCkTb\" data-sfc-root=\"ep\" jsuid=\"Zs1Vge_1t\" data-complete=\"true\" data-processed=\"true\" data-sae=\"\" style=\"font-family: \" google sans roboto arial sans-serif rgb data-copy-service-computed-style=\"font-family: \" none font-size:=\"\" font-weight:=\"\" margin:=\"\" border-bottom:=\"\" text-decoration:=\"\"\u003eCOMPATIBILITY \/ FITMENT\u003c!--TgQPHd|||[]--\u003e\n\u003c\/div\u003e\u003cul class=\"KsbFXc U6u95\" data-sfc-cp=\"\" jsaction=\"\" jscontroller=\"mPWODf#NS0kde\" data-sfc-root=\"ep\" jsuid=\"Zs1Vge_1u\" data-ved=\"2ahUKEwig5ubywJKXAxU8D1kFHUnmI7IQ-7AUegYIAAhBEAA\" data-hveid=\"CAAIQRAA\" data-complete=\"true\" data-processed=\"true\" data-copy-service-computed-style=\"font-family: \" google sans roboto arial sans-serif none rgb style=\"font-family: \" font-size:=\"\" font-weight:=\"\" margin:=\"\" text-decoration:=\"\" border-bottom:=\"\"\u003e\n\u003cli class=\"Z1qcYe\" data-sfc-cp=\"\" jsaction=\"\" jscontroller=\"oSLmPe#HokZ0d\" data-sfc-root=\"ep\" jsuid=\"Zs1Vge_1v\" data-hveid=\"CAAIQRAB\" data-complete=\"true\" data-sae=\"\" style=\"margin: 0px 0px 12px; border-bottom: 0px rgb(230, 232, 240);\" data-copy-service-computed-style=\"font-family: \" google sans roboto arial sans-serif font-size: font-weight: margin: text-decoration: none border-bottom: rgb\u003e\n\u003cspan class=\"iNqyIf\" data-sfc-cp=\"\" jsaction=\"\" jscontroller=\"KdQfFc#d5Qebf\" data-sfc-root=\"ep\" jsuid=\"Zs1Vge_1w\" data-complete=\"true\" data-copy-service-computed-style=\"font-family: \" google sans roboto arial sans-serif font-size: font-weight: margin: text-decoration: none border-bottom: rgb style=\"margin: 0px; border-bottom: 0px rgb(230, 232, 240);\"\u003e\u003cspan class=\"rQesXe MPyX\" data-sfc-cp=\"\" jsaction=\"\" jscontroller=\"tP2kf#s32ZS\" data-sfc-root=\"ep\" jsuid=\"Zs1Vge_1x\" data-complete=\"true\" data-copy-service-computed-style=\"font-family: \" google sans roboto arial sans-serif font-size: font-weight: margin: text-decoration: none border-bottom: rgb style=\"font-weight: 700; margin: 0px; border-bottom: 0px rgb(230, 232, 240);\"\u003eManufacturer:\u003c!--TgQPHd|||[]--\u003e\u003c\/span\u003e Harley-Davidson Original Equipment\u003c!--TgQPHd|||[]--\u003e\u003c\/span\u003e\u003c!--TgQPHd|||[]--\u003e\n\u003c\/li\u003e\n\u003cli class=\"Z1qcYe\" data-sfc-cp=\"\" jsaction=\"\" jscontroller=\"oSLmPe#HokZ0d\" data-sfc-root=\"ep\" jsuid=\"Zs1Vge_23\" data-hveid=\"CAAIQRAE\" data-complete=\"true\" data-sae=\"\" style=\"margin: 0px 0px 12px; border-bottom: 0px rgb(230, 232, 240);\" data-copy-service-computed-style=\"font-family: \" google sans roboto arial sans-serif font-size: font-weight: margin: text-decoration: none border-bottom: rgb\u003e\n\u003cspan class=\"iNqyIf\" data-sfc-cp=\"\" jsaction=\"\" jscontroller=\"KdQfFc#d5Qebf\" data-sfc-root=\"ep\" jsuid=\"Zs1Vge_24\" data-complete=\"true\" data-copy-service-computed-style=\"font-family: \" google sans roboto arial sans-serif font-size: font-weight: margin: text-decoration: none border-bottom: rgb style=\"margin: 0px; border-bottom: 0px rgb(230, 232, 240);\"\u003e\u003cspan class=\"rQesXe MPyX\" data-sfc-cp=\"\" jsaction=\"\" jscontroller=\"tP2kf#s32ZS\" data-sfc-root=\"ep\" jsuid=\"Zs1Vge_25\" data-complete=\"true\" data-copy-service-computed-style=\"font-family: \" google sans roboto arial sans-serif font-size: font-weight: margin: text-decoration: none border-bottom: rgb style=\"font-weight: 700; margin: 0px; border-bottom: 0px rgb(230, 232, 240);\"\u003eEngine Displacement Match:\u003c!--TgQPHd|||[]--\u003e\u003c\/span\u003e 1000cc (61 Cubic Inch) Ironhead V-Twin Motors\u003c!--TgQPHd|||[]--\u003e\u003c\/span\u003e\u003c!--TgQPHd|||[]--\u003e\n\u003c\/li\u003e\n\u003cli class=\"Z1qcYe\" data-sfc-cp=\"\" jsaction=\"\" jscontroller=\"oSLmPe#HokZ0d\" data-sfc-root=\"ep\" jsuid=\"Zs1Vge_2b\" data-hveid=\"CAAIQRAH\" data-complete=\"true\" data-sae=\"\" style=\"margin: 0px 0px 12px; border-bottom: 0px rgb(230, 232, 240);\" data-copy-service-computed-style=\"font-family: \" google sans roboto arial sans-serif font-size: font-weight: margin: text-decoration: none border-bottom: rgb\u003e\n\u003cspan class=\"iNqyIf\" data-sfc-cp=\"\" jsaction=\"\" jscontroller=\"KdQfFc#d5Qebf\" data-sfc-root=\"ep\" jsuid=\"Zs1Vge_2c\" data-complete=\"true\" data-copy-service-computed-style=\"font-family: \" google sans roboto arial sans-serif font-size: font-weight: margin: text-decoration: none border-bottom: rgb style=\"margin: 0px; border-bottom: 0px rgb(230, 232, 240);\"\u003e\u003cspan class=\"rQesXe MPyX\" data-sfc-cp=\"\" jsaction=\"\" jscontroller=\"tP2kf#s32ZS\" data-sfc-root=\"ep\" jsuid=\"Zs1Vge_2d\" data-complete=\"true\" data-copy-service-computed-style=\"font-family: \" google sans roboto arial sans-serif font-size: font-weight: margin: text-decoration: none border-bottom: rgb style=\"font-weight: 700; margin: 0px; border-bottom: 0px rgb(230, 232, 240);\"\u003ePlatform Fitment Range:\u003c!--TgQPHd|||[]--\u003e\u003c\/span\u003e Direct factory replacement core or period-correct vintage restoration piece for early \u003cspan class=\"rQesXe MPyX\" data-sfc-cp=\"\" jsaction=\"\" jscontroller=\"tP2kf#s32ZS\" data-sfc-root=\"ep\" jsuid=\"Zs1Vge_2e\" data-complete=\"true\" data-copy-service-computed-style=\"font-family: \" google sans roboto arial sans-serif font-size: font-weight: margin: text-decoration: none border-bottom: rgb style=\"font-weight: 700; margin: 0px; border-bottom: 0px rgb(230, 232, 240);\"\u003e1972 Harley-Davidson Ironhead Sportster\u003c!--TgQPHd|||[]--\u003e\u003c\/span\u003e models (the debut year of the 1000cc motor), including:\u003c!--TgQPHd|||[]--\u003e\u003c\/span\u003e\u003cul class=\"KsbFXc U6u95\" data-sfc-cp=\"\" jsaction=\"\" jscontroller=\"mPWODf#NS0kde\" data-sfc-root=\"ep\" jsuid=\"Zs1Vge_2f\" data-ved=\"2ahUKEwig5ubywJKXAxU8D1kFHUnmI7IQ-7AUegYIAAhBEAg\" data-hveid=\"CAAIQRAI\" data-complete=\"true\" data-copy-service-computed-style=\"font-family: \" google sans roboto arial sans-serif font-size: font-weight: margin: text-decoration: none border-bottom: rgb style=\"margin: 12px 0px 16px; border-bottom: 0px rgb(230, 232, 240);\"\u003e\n\u003cli class=\"Z1qcYe\" data-sfc-cp=\"\" jsaction=\"\" jscontroller=\"oSLmPe#HokZ0d\" data-sfc-root=\"ep\" jsuid=\"Zs1Vge_2g\" data-hveid=\"CAAIQRAJ\" data-complete=\"true\" data-sae=\"\" style=\"margin: 0px 0px 12px; border-bottom: 0px rgb(230, 232, 240);\" data-copy-service-computed-style=\"font-family: \" google sans roboto arial sans-serif font-size: font-weight: margin: text-decoration: none border-bottom: rgb\u003e\n\u003cspan class=\"iNqyIf\" data-sfc-cp=\"\" jsaction=\"\" jscontroller=\"KdQfFc#d5Qebf\" data-sfc-root=\"ep\" jsuid=\"Zs1Vge_2h\" data-complete=\"true\" data-copy-service-computed-style=\"font-family: \" google sans roboto arial sans-serif font-size: font-weight: margin: text-decoration: none border-bottom: rgb style=\"margin: 0px; border-bottom: 0px rgb(230, 232, 240);\"\u003eSportster XLH 1000 (Electric Start Platform)\u003c!--TgQPHd|||[]--\u003e\u003c\/span\u003e\u003c!--TgQPHd|||[]--\u003e\n\u003c\/li\u003e\n\u003cli class=\"Z1qcYe\" data-sfc-cp=\"\" jsaction=\"\" jscontroller=\"oSLmPe#HokZ0d\" data-sfc-root=\"ep\" jsuid=\"Zs1Vge_2i\" data-hveid=\"CAAIQRAK\" data-complete=\"true\" data-sae=\"\" style=\"margin: 0px 0px 12px; border-bottom: 0px rgb(230, 232, 240);\" data-copy-service-computed-style=\"font-family: \" google sans roboto arial sans-serif font-size: font-weight: margin: text-decoration: none border-bottom: rgb\u003e\n\u003cspan class=\"iNqyIf\" data-sfc-cp=\"\" jsaction=\"\" jscontroller=\"KdQfFc#d5Qebf\" data-sfc-root=\"ep\" jsuid=\"Zs1Vge_2j\" data-complete=\"true\" data-copy-service-computed-style=\"font-family: \" google sans roboto arial sans-serif font-size: font-weight: margin: text-decoration: none border-bottom: rgb style=\"margin: 0px; border-bottom: 0px rgb(230, 232, 240);\"\u003eSportster XLCH 1000 (Kick Start Platform)\u003c!--TgQPHd|||[]--\u003e\u003c\/span\u003e\u003c!--TgQPHd|||[]--\u003e\n\u003c\/li\u003e\n\u003c!--TgQPHd|||[]--\u003e\n\u003c\/ul\u003e\n\u003c!--TgQPHd|||[]--\u003e\n\u003c\/li\u003e\n\u003c!--TgQPHd|||[]--\u003e\n\u003c\/ul\u003e\u003cdiv class=\"yhAwj\" data-sfc-cp=\"\" jsaction=\"rcuQ6b:\u0026amp;Zs1Vge_2p|npT2md\" jscontroller=\"UTzWVc#U8DOt\" data-sfc-root=\"ep\" jsuid=\"Zs1Vge_2p\" data-complete=\"true\" data-processed=\"true\" data-sfc-inited=\"2\" data-copy-service-computed-style=\"font-family: \" google sans roboto arial sans-serif none rgb style=\"font-family: \" font-size:=\"\" font-weight:=\"\" margin:=\"\" text-decoration:=\"\" border-bottom:=\"\"\u003e\u003c!--TgQPHd|||[]--\u003e\u003c\/div\u003e\u003chr class=\"s6NV4e\" jsaction=\"\" jscontroller=\"gWGJ0d#iOlsLd\" data-sfc-root=\"ep\" jsuid=\"Zs1Vge_2q\" data-sfc-pl=\"|||[]\" data-complete=\"true\" data-processed=\"true\" data-sae=\"\" style=\"font-family: \" google sans roboto arial sans-serif rgb data-copy-service-computed-style=\"font-family: \" none font-size:=\"\" margin:=\"\" border-bottom:=\"\" font-weight:=\"\" text-decoration:=\"\"\u003e\u003cdiv class=\"yhAwj\" data-sfc-cp=\"\" jsaction=\"rcuQ6b:\u0026amp;Zs1Vge_2r|npT2md\" jscontroller=\"UTzWVc#U8DOt\" data-sfc-root=\"ep\" jsuid=\"Zs1Vge_2r\" data-complete=\"true\" data-processed=\"true\" data-sfc-inited=\"2\" data-copy-service-computed-style=\"font-family: \" google sans roboto arial sans-serif none rgb style=\"font-family: \" font-size:=\"\" font-weight:=\"\" margin:=\"\" text-decoration:=\"\" border-bottom:=\"\"\u003e\u003c!--TgQPHd|||[]--\u003e\u003c\/div\u003e\u003cdiv class=\"otQkpb\" aria-level=\"3\" role=\"heading\" data-animation-nesting=\"\" data-sfc-cp=\"\" jsaction=\"\" data-wiz-attrbind=\"aria-level=Zs1Vge_2s\/fLk2Md\" jscontroller=\"a7qCn#ZxCkTb\" data-sfc-root=\"ep\" jsuid=\"Zs1Vge_2s\" data-complete=\"true\" data-processed=\"true\" data-sae=\"\" style=\"font-family: \" google sans roboto arial sans-serif rgb aria-owns=\"action-menu-parent-container\" data-copy-service-computed-style=\"font-family: \" none font-size:=\"\" font-weight:=\"\" margin:=\"\" border-bottom:=\"\" text-decoration:=\"\"\u003e\u003c\/div\u003e\n\n\u003cp\u003e\u003cstrong\u003eCondition:\u003c\/strong\u003e Used\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFitment:\u003c\/strong\u003e Verify fitment using the photos, part numbers, and item specifics before purchase.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Harley-Davidson\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e United States\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003cp\u003e\u003cstrong\u003eSource:\u003c\/strong\u003e Imported from active eBay listing 398441788093 for Shopify draft review.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCondition:\u003c\/strong\u003e Used\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFitment:\u003c\/strong\u003e Only use fitment explicitly shown in the copied eBay description\/item specifics. Buyer should verify fitment using photos, part numbers, and listed details.\u003c\/p\u003e\n\u003ch3\u003eeBay Item Specifics\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Harley-Davidson\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e United States\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Harley-Davidson","offers":[{"title":"Default Title","offer_id":50308227792993,"sku":"F34 Box 11","price":400.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0563\/6800\/5217\/files\/57_01e0e464-caf0-40cc-8cce-9b6c63252dcc.jpg?v=1794370684","url":"https:\/\/lifeforlifestyle.com\/products\/72-harley-davidson-ironhead-sportster-xlh-1000-front-and-rear-cylinders-heads-398441788093","provider":"Lifestyle Powersports","version":"1.0","type":"link"}