{"product_id":"1971-1985-harley-ironhead-sportster-1000-front-rear-cylinder-heads-16682-71-b-920069271273","title":"1971-1985 Harley Ironhead Sportster 1000 Front Rear Cylinder Heads 16682-71 B","description":"\u003cdiv class=\"ZLzG0d ncoeY E8xBUb\" role=\"heading\" aria-level=\"3\" data-animation-nesting=\"\" data-sfc-cp=\"\" jsaction=\"\" data-wiz-attrbind=\"aria-level=IXrwEb_4y\/fLk2Md\" jscontroller=\"zg1ZQe#TswZNc\" data-sfc-root=\"c\" jsuid=\"IXrwEb_4y\" data-complete=\"true\" data-sae=\"\" style=\"font-family: \" google sans roboto arial sans-serif rgb font-size:=\"\" font-weight:=\"\" margin:=\"\" border-bottom:=\"\"\u003e📋 Item Specifics\u003c!--TgQPHd|||[[2,[null,null,null,null,null,null,null,null,null,null,null,null,[351768,null,0]],[],null,1]]--\u003e\n\u003c\/div\u003e\u003cul class=\"XSq4R KI3fJ\" data-sfc-cp=\"\" jsaction=\"\" jscontroller=\"wiLEJc#NS0kde\" data-sfc-root=\"c\" jsuid=\"IXrwEb_4z\" data-hveid=\"CAAIPxAA\" data-complete=\"true\" data-processed=\"true\" style=\"font-family: \" google sans roboto arial sans-serif rgb font-size:=\"\" margin:=\"\" border-bottom:=\"\"\u003e\n\u003cli class=\"Z1qcYe\" data-sfc-cp=\"\" jsaction=\"\" jscontroller=\"oSLmPe#HokZ0d\" data-sfc-root=\"c\" jsuid=\"IXrwEb_50\" data-hveid=\"CAAIPxAB\" data-complete=\"true\" data-sae=\"\" style=\"margin: 0px 0px 12px; border-bottom: 0px rgb(232, 234, 242);\" aria-owns=\"action-menu-parent-container\"\u003e\n\u003cspan class=\"iNqyIf\" data-sfc-cp=\"\" jsaction=\"\" jscontroller=\"KdQfFc#d5Qebf\" data-sfc-root=\"c\" jsuid=\"IXrwEb_51\" data-complete=\"true\" style=\"margin: 0px; border-bottom: 0px rgb(232, 234, 242);\"\u003e\u003cspan class=\"rQesXe MPyX\" data-sfc-cp=\"\" jsaction=\"\" jscontroller=\"tP2kf#s32ZS\" data-sfc-root=\"c\" jsuid=\"IXrwEb_52\" data-complete=\"true\" style=\"font-weight: 700; margin: 0px; border-bottom: 0px rgb(232, 234, 242);\"\u003eBrand:\u003c!--TgQPHd|||[]--\u003e\u003c\/span\u003e Harley-Davidson (OEM)\u003c!--TgQPHd|||[]--\u003e\u003c\/span\u003e\u003c!--TgQPHd|||[]--\u003e\n\u003c\/li\u003e\n\u003cdiv data-os-fs=\"\" tabindex=\"0\" aria-hidden=\"true\" style=\"margin: -1px; border-bottom: 0px rgb(232, 234, 242);\"\u003e\u003c\/div\u003e\n\u003cdiv data-os-fs=\"\" tabindex=\"0\" aria-hidden=\"true\" style=\"margin: -1px; border-bottom: 0px rgb(232, 234, 242);\"\u003e\u003c\/div\u003e\n\u003cli class=\"Z1qcYe\" data-sfc-cp=\"\" jsaction=\"\" jscontroller=\"oSLmPe#HokZ0d\" data-sfc-root=\"c\" jsuid=\"IXrwEb_53\" data-hveid=\"CAAIPxAC\" data-complete=\"true\" data-sae=\"\" style=\"margin: 0px 0px 12px; border-bottom: 0px rgb(232, 234, 242);\"\u003e\n\u003cspan class=\"iNqyIf\" data-sfc-cp=\"\" jsaction=\"\" jscontroller=\"KdQfFc#d5Qebf\" data-sfc-root=\"c\" jsuid=\"IXrwEb_54\" data-complete=\"true\" style=\"margin: 0px; border-bottom: 0px rgb(232, 234, 242);\"\u003e\u003cspan class=\"rQesXe MPyX\" data-sfc-cp=\"\" jsaction=\"\" jscontroller=\"tP2kf#s32ZS\" data-sfc-root=\"c\" jsuid=\"IXrwEb_55\" data-complete=\"true\" style=\"font-weight: 700; margin: 0px; border-bottom: 0px rgb(232, 234, 242);\"\u003eManufacturer Part Number (MPN) \/ Casting Mark:\u003c!--TgQPHd|||[]--\u003e\u003c\/span\u003e 16682-71 (Stamped \"16682-71 BF\")\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=\"c\" jsuid=\"IXrwEb_56\" data-hveid=\"CAAIPxAD\" data-complete=\"true\" data-sae=\"\" style=\"margin: 0px 0px 12px; border-bottom: 0px rgb(232, 234, 242);\"\u003e\n\u003cspan class=\"iNqyIf\" data-sfc-cp=\"\" jsaction=\"\" jscontroller=\"KdQfFc#d5Qebf\" data-sfc-root=\"c\" jsuid=\"IXrwEb_57\" data-complete=\"true\" style=\"margin: 0px; border-bottom: 0px rgb(232, 234, 242);\"\u003e\u003cspan class=\"rQesXe MPyX\" data-sfc-cp=\"\" jsaction=\"\" jscontroller=\"tP2kf#s32ZS\" data-sfc-root=\"c\" jsuid=\"IXrwEb_58\" data-complete=\"true\" style=\"font-weight: 700; margin: 0px; border-bottom: 0px rgb(232, 234, 242);\"\u003eInterchange Part Numbers:\u003c!--TgQPHd|||[]--\u003e\u003c\/span\u003e 16684-71 \/ 16682-71A \/ 16682-71B\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=\"c\" jsuid=\"IXrwEb_59\" data-hveid=\"CAAIPxAE\" data-complete=\"true\" data-sae=\"\" style=\"margin: 0px 0px 12px; border-bottom: 0px rgb(232, 234, 242);\"\u003e\n\u003cspan class=\"iNqyIf\" data-sfc-cp=\"\" jsaction=\"\" jscontroller=\"KdQfFc#d5Qebf\" data-sfc-root=\"c\" jsuid=\"IXrwEb_5a\" data-complete=\"true\" style=\"margin: 0px; border-bottom: 0px rgb(232, 234, 242);\"\u003e\u003cspan class=\"rQesXe MPyX\" data-sfc-cp=\"\" jsaction=\"\" jscontroller=\"tP2kf#s32ZS\" data-sfc-root=\"c\" jsuid=\"IXrwEb_5b\" data-complete=\"true\" style=\"font-weight: 700; margin: 0px; border-bottom: 0px rgb(232, 234, 242);\"\u003ePlacement on Vehicle:\u003c!--TgQPHd|||[]--\u003e\u003c\/span\u003e Engine Top End (Includes Front and Rear matching cylinders)\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=\"c\" jsuid=\"IXrwEb_5c\" data-hveid=\"CAAIPxAF\" data-complete=\"true\" data-sae=\"\" style=\"margin: 0px 0px 12px; border-bottom: 0px rgb(232, 234, 242);\"\u003e\n\u003cspan class=\"iNqyIf\" data-sfc-cp=\"\" jsaction=\"\" jscontroller=\"KdQfFc#d5Qebf\" data-sfc-root=\"c\" jsuid=\"IXrwEb_5d\" data-complete=\"true\" style=\"margin: 0px; border-bottom: 0px rgb(232, 234, 242);\"\u003e\u003cspan class=\"rQesXe MPyX\" data-sfc-cp=\"\" jsaction=\"\" jscontroller=\"tP2kf#s32ZS\" data-sfc-root=\"c\" jsuid=\"IXrwEb_5e\" data-complete=\"true\" style=\"font-weight: 700; margin: 0px; border-bottom: 0px rgb(232, 234, 242);\"\u003eEngine Fitment:\u003c!--TgQPHd|||[]--\u003e\u003c\/span\u003e 1000cc Ironhead Sportster (XLH \/ XLCH \/ O-ring gasket style years)\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=\"c\" jsuid=\"IXrwEb_5f\" data-hveid=\"CAAIPxAG\" data-complete=\"true\" data-sae=\"\" style=\"margin: 0px 0px 12px; border-bottom: 0px rgb(232, 234, 242);\"\u003e\n\u003cspan class=\"iNqyIf\" data-sfc-cp=\"\" jsaction=\"\" jscontroller=\"KdQfFc#d5Qebf\" data-sfc-root=\"c\" jsuid=\"IXrwEb_5g\" data-complete=\"true\" style=\"margin: 0px; border-bottom: 0px rgb(232, 234, 242);\"\u003e\u003cspan class=\"rQesXe MPyX\" data-sfc-cp=\"\" jsaction=\"\" jscontroller=\"tP2kf#s32ZS\" data-sfc-root=\"c\" jsuid=\"IXrwEb_5h\" data-complete=\"true\" style=\"font-weight: 700; margin: 0px; border-bottom: 0px rgb(232, 234, 242);\"\u003eMaterial:\u003c!--TgQPHd|||[]--\u003e\u003c\/span\u003e Heavy-Duty Cast Iron\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=\"c\" jsuid=\"IXrwEb_5i\" data-hveid=\"CAAIPxAH\" data-complete=\"true\" data-sae=\"\" style=\"margin: 0px 0px 12px; border-bottom: 0px rgb(232, 234, 242);\"\u003e\n\u003cspan class=\"iNqyIf\" data-sfc-cp=\"\" jsaction=\"\" jscontroller=\"KdQfFc#d5Qebf\" data-sfc-root=\"c\" jsuid=\"IXrwEb_5j\" data-complete=\"true\" style=\"margin: 0px; border-bottom: 0px rgb(232, 234, 242);\"\u003e\u003cspan class=\"rQesXe MPyX\" data-sfc-cp=\"\" jsaction=\"\" jscontroller=\"tP2kf#s32ZS\" data-sfc-root=\"c\" jsuid=\"IXrwEb_5k\" data-complete=\"true\" style=\"font-weight: 700; margin: 0px; border-bottom: 0px rgb(232, 234, 242);\"\u003eKit Includes:\u003c!--TgQPHd|||[]--\u003e\u003c\/span\u003e Pair of cylinder heads loaded with factory valve guides and spark plug adapters\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=\"c\" jsuid=\"IXrwEb_5l\" data-hveid=\"CAAIPxAI\" data-complete=\"true\" data-sae=\"\" style=\"margin: 0px; border-bottom: 0px rgb(232, 234, 242);\"\u003e\n\u003cspan class=\"iNqyIf\" data-sfc-cp=\"\" jsaction=\"\" jscontroller=\"KdQfFc#d5Qebf\" data-sfc-root=\"c\" jsuid=\"IXrwEb_5m\" data-complete=\"true\" style=\"margin: 0px; border-bottom: 0px rgb(232, 234, 242);\"\u003e\u003cspan class=\"rQesXe MPyX\" data-sfc-cp=\"\" jsaction=\"\" jscontroller=\"tP2kf#s32ZS\" data-sfc-root=\"c\" jsuid=\"IXrwEb_5n\" data-complete=\"true\" style=\"font-weight: 700; margin: 0px; border-bottom: 0px rgb(232, 234, 242);\"\u003eCondition:\u003c!--TgQPHd|||[]--\u003e\u003c\/span\u003e Used \/ Vintage Core Rebuild Take-Off Pair\u003c!--TgQPHd|||[]--\u003e\u003c\/span\u003e\u003c!--TgQPHd|||[]--\u003e\n\u003c\/li\u003e\n\u003c!--TgQPHd|||[]--\u003e\n\u003c\/ul\u003e\u003cdiv class=\"yhAwj\" data-sfc-cp=\"\" jsaction=\"rcuQ6b:\u0026amp;IXrwEb_5t|npT2md\" jscontroller=\"UTzWVc#U8DOt\" data-sfc-root=\"c\" jsuid=\"IXrwEb_5t\" data-complete=\"true\" data-processed=\"true\" data-sfc-inited=\"2\" style=\"font-family: \" google sans roboto arial sans-serif rgb font-size:=\"\" margin:=\"\" border-bottom:=\"\"\u003e\u003c!--TgQPHd|||[]--\u003e\u003c\/div\u003e\u003chr class=\"s6NV4e\" jsaction=\"\" jscontroller=\"gWGJ0d#iOlsLd\" data-sfc-root=\"c\" jsuid=\"IXrwEb_5u\" data-sfc-pl=\"|||[]\" data-complete=\"true\" data-sae=\"\" style=\"font-family: \" google sans roboto arial sans-serif rgb font-size:=\"\" margin:=\"\" border-bottom:=\"\"\u003e\u003cdiv class=\"yhAwj\" data-sfc-cp=\"\" jsaction=\"rcuQ6b:\u0026amp;IXrwEb_5v|npT2md\" jscontroller=\"UTzWVc#U8DOt\" data-sfc-root=\"c\" jsuid=\"IXrwEb_5v\" data-complete=\"true\" data-processed=\"true\" data-sfc-inited=\"2\" style=\"font-family: \" google sans roboto arial sans-serif rgb font-size:=\"\" margin:=\"\" border-bottom:=\"\"\u003e\u003c!--TgQPHd|||[]--\u003e\u003c\/div\u003e\u003cdiv class=\"ZLzG0d ncoeY E8xBUb\" role=\"heading\" aria-level=\"3\" data-animation-nesting=\"\" data-sfc-cp=\"\" jsaction=\"\" data-wiz-attrbind=\"aria-level=IXrwEb_5w\/fLk2Md\" jscontroller=\"zg1ZQe#TswZNc\" data-sfc-root=\"c\" jsuid=\"IXrwEb_5w\" data-complete=\"true\" data-sae=\"\" style=\"font-family: \" google sans roboto arial sans-serif rgb font-size:=\"\" font-weight:=\"\" margin:=\"\" border-bottom:=\"\"\u003e📝 Product Description\u003c!--TgQPHd|||[[2,[null,null,null,null,null,null,null,null,null,null,null,null,[351768,null,0]],[],null,1]]--\u003e\n\u003c\/div\u003e\u003cdiv class=\"n6owBd awi2gc\" data-sfc-cp=\"\" jsaction=\"\" jscontroller=\"TDBkbc#Ml18Xb\" data-sfc-root=\"c\" jsuid=\"IXrwEb_5x\" data-hveid=\"CAAIQhAA\" data-complete=\"true\" data-processed=\"true\" style=\"font-family: \" google sans roboto arial sans-serif rgb font-size:=\"\" margin:=\"\" border-bottom:=\"\"\u003e\n\u003cspan class=\"rQesXe MPyX\" data-sfc-cp=\"\" jsaction=\"\" jscontroller=\"tP2kf#s32ZS\" data-sfc-root=\"c\" jsuid=\"IXrwEb_5y\" data-complete=\"true\" data-processed=\"true\" style=\"font-weight: 700; margin: 0px; border-bottom: 0px rgb(232, 234, 242);\"\u003eGenuine factory OEM cast iron cylinder head matching pair pulled straight from a classic 1000cc Ironhead Sportster drivetrain engine.\u003c!--TgQPHd|||[]--\u003e\u003c\/span\u003e\u003cbr jsaction=\"\" jscontroller=\"iO7NKc#B4oRN\" data-sfc-root=\"c\" jsuid=\"IXrwEb_5z\" data-sfc-pl=\"|||[]\" data-complete=\"true\" data-processed=\"true\" style=\"margin: 0px; border-bottom: 0px rgb(232, 234, 242);\"\u003eSkip the massive headache of scrounging swap meets trying to find mismatched front and rear core heads with different casting profiles or warped combustion faces. This original matching set of \u003cspan class=\"rQesXe MPyX\" data-sfc-cp=\"\" jsaction=\"\" jscontroller=\"tP2kf#s32ZS\" data-sfc-root=\"c\" jsuid=\"IXrwEb_60\" data-complete=\"true\" data-processed=\"true\" style=\"font-weight: 700; margin: 0px; border-bottom: 0px rgb(232, 234, 242);\"\u003eHarley-Davidson Ironhead Sportster Cylinder Heads\u003c!--TgQPHd|||[]--\u003e\u003c\/span\u003e delivers a solid, factory-machined foundational core bundle ready for your classic restoration tracker or chopper project.\u003c!--TgQPHd|||[]--\u003e\n\u003c\/div\u003e\u003cdiv class=\"n6owBd awi2gc\" data-sfc-cp=\"\" jsaction=\"\" jscontroller=\"TDBkbc#Ml18Xb\" data-sfc-root=\"c\" jsuid=\"IXrwEb_66\" data-hveid=\"CAAIQxAA\" data-complete=\"true\" data-processed=\"true\" style=\"font-family: \" google sans roboto arial sans-serif rgb font-size:=\"\" margin:=\"\" border-bottom:=\"\"\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\u003eCountry of Origin:\u003c\/strong\u003e United States\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Harley-Davidson\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003cp\u003e\u003cstrong\u003eSource:\u003c\/strong\u003e Imported from active eBay listing 920069271273 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\u003eCountry of Origin:\u003c\/strong\u003e United States\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Harley-Davidson\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Harley-Davidson","offers":[{"title":"Default Title","offer_id":50307970760801,"sku":"F34 Box 35","price":120.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0563\/6800\/5217\/files\/57_0e4f6394-41f0-4316-8538-ec0bb4f98343.jpg?v=1794369933","url":"https:\/\/lifeforlifestyle.com\/products\/1971-1985-harley-ironhead-sportster-1000-front-rear-cylinder-heads-16682-71-b-920069271273","provider":"Lifestyle Powersports","version":"1.0","type":"link"}