{"title":"Cylinder Heads \u0026 Components - Cylinder Heads \u0026 Parts - Vintage","description":null,"products":[{"product_id":"12-point-style-head-bolts-chrome-fits-pan-shovel-1948-1984-big-bore-colony-machine","title":"12 Point Style Head Bolts - Chrome. Fits Pan \u0026 Shovel 1948-1984 Big Bore. - Colony Machine","description":"\u003cp\u003eBenefits \u0026amp; Features:-\u003cbr\u003e\u003cbr\u003e* 12 Point Head Bolts.\u003cbr\u003e\u003cbr\u003e* Machined from High Strength Steel.\u003cbr\u003e\u003cbr\u003e* Hardened to Original OEM Specifications to Prevent Stretching.\u003cbr\u003e\u003cbr\u003e* Bolts Feature Rolled Threads for Superior Strength \u0026amp; Fit.\u003cbr\u003e\u003cbr\u003e* Custom Look.\u003cbr\u003e\u003cbr\u003e* Chrome Plated.\u003cbr\u003e\u003cbr\u003e* Kit Includes Washers.\u003cbr\u003e\u003cbr\u003eProudly Made in the USA by Colony Machine !\u003c\/p\u003e","brand":"Colony Machine","offers":[{"title":"Default Title","offer_id":42957797785694,"sku":"CM-8714-20","price":103.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8530\/4926\/files\/CM-8714-20.jpg?v=1782806249"},{"product_id":"stock-head-bolts-chrome-fits-pan-shovel-1948-1984-colony-machine","title":"Stock Head Bolts - Chrome. Fits Pan \u0026 Shovel 1948-1984. - Colony Machine","description":"\u003cp\u003eBenefits \u0026amp; Features:-\u003cbr\u003e\u003cbr\u003e* OEM Style Chrome Head Bolts \u0026amp; Washers.\u003cbr\u003e\u003cbr\u003e* Machined from High Strength Steel.\u003cbr\u003e\u003cbr\u003e* Hardened to Original OEM Specifications to Prevent Stretching.\u003cbr\u003e\u003cbr\u003e* Bolts Feature Rolled Threads for Superior Strength \u0026amp; Fit.\u003cbr\u003e\u003cbr\u003e* Replaces OEM # 16814-77\u003cbr\u003e\u003cbr\u003eProudly Made in the USA by Colony Machine !\u003c\/p\u003e","brand":"Colony Machine","offers":[{"title":"Default Title","offer_id":42957798506590,"sku":"CM-8221-20","price":138.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8530\/4926\/files\/CM-8221-20.jpg?v=1782806250"},{"product_id":"cylinder-head-kit-natural-fits-big-twin-1966-1984-stock-bore-s-s","title":"Cylinder Head Kit- Natural. Fits Big Twin 1966-1984, Stock Bore. - S\u0026S","description":"\u003cp\u003eFeatures \u0026amp; Benefits:-\u003cbr\u003e\u003cbr\u003e* Fitment to H-D 1966-1978 models will require upgrade to the 1979-1984 style inlet manifold rubbers \u0026amp; clamps.\u003cbr\u003e\u003cbr\u003e* .590' Lift. \u003cbr\u003e\u003cbr\u003ePeople who Buy this Product also Purchase:-\u003cbr\u003e\u003cbr\u003e* 2 x SS16-0231\u003cbr\u003e\u003cbr\u003e* 2 x JGI-27062-78\u003cbr\u003e\u003cbr\u003eProudly Made in the USA by S\u0026amp;S Cycle !\u003c\/p\u003e","brand":"S\u0026S","offers":[{"title":"Default Title","offer_id":42957802373214,"sku":"SS90-1498","price":2855.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8530\/4926\/files\/SS90-1498.jpg?v=1782806254"},{"product_id":"rocker-oil-line-kit-stainless-steel-fits-sportster-1957-1985-goodridge","title":"Rocker Oil Line Kit - Stainless Steel. Fits Sportster 1957-1985 - Goodridge","description":"\u003cp\u003eFeatures \u0026amp; Benefits:-\u003cbr\u003e\u003cbr\u003e* Set of 2 Stainless Steel Braided Rocker Arm Oil Lines. \u003cbr\u003e\u003cbr\u003e* Designed with a 1\/8-27 NPT swivel ends that screw directly into the case\/rocker box. \u003cbr\u003e\u003cbr\u003e* Replaces OEM #'s 17324-57\u003c\/p\u003e","brand":"Goodridge","offers":[{"title":"Default Title","offer_id":42957826523230,"sku":"GOO-HDOL-R02","price":70.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8530\/4926\/files\/GOO-HDOL-R02.jpg?v=1782806276"},{"product_id":"valve-guide-seals-fits-big-twin-1948-1979-james-gaskets-inc","title":"Valve Guide Seals. Fits Big Twin 1948-1979 - James Gaskets Inc","description":"\u003cp\u003eFeatures \u0026amp; Benefits:-\u003cbr\u003e\u003cbr\u003e* Fits Panhead \u0026amp; Shovelhead Engines.\u003cbr\u003e\u003cbr\u003e* Fits Intake \u0026amp; Exhaust.\u003cbr\u003e\u003cbr\u003e* Press-on Style Viton Seals.\u003cbr\u003e\u003cbr\u003e* Reduces Oil Consumption.\u003cbr\u003e\u003cbr\u003e* Sold as a Kit.\u003cbr\u003e\u003cbr\u003eProudly Made in the USA by James Gaskets !\u003c\/p\u003e","brand":"James Gaskets Inc","offers":[{"title":"Default Title","offer_id":42958119534686,"sku":"JGI-18000-48","price":18.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8530\/4926\/files\/JGI-18000-48.jpg?v=1782806587"},{"product_id":"valve-guide-seals-fits-big-twin-1980-1984-av-v","title":"Valve Guide Seals. Fits Big Twin 1980-1984. - AV\u0026V","description":"\u003cp\u003e* OEM Style, Inside Diameter = .625\"\u003cbr\u003e\u003cbr\u003e* Use with AV-VG5400 series valve guides\u003cbr\u003e\u003cbr\u003e* Requires tool AV-VSD-W\u003cbr\u003e\u003cbr\u003e* Sold as a pack of 4.\u003c\/p\u003e","brand":"AV\u0026V","offers":[{"title":"Default Title","offer_id":42958119632990,"sku":"AV-K375625","price":13.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8530\/4926\/files\/AV-K375625.jpg?v=1782806588"},{"product_id":"valve-guide-seals-fits-big-twin-1980-1984-james-gaskets-inc","title":"Valve Guide Seals. Fits Big Twin 1980-1984 - James Gaskets Inc","description":"\u003cp\u003eFeatures \u0026amp; Benefits:-\u003cbr\u003e\u003cbr\u003e* Fits Shovelhead Engines.\u003cbr\u003e\u003cbr\u003e* Fits Intake \u0026amp; Exhaust.\u003cbr\u003e\u003cbr\u003e* Press-on Style Viton Seals.\u003cbr\u003e\u003cbr\u003e* Reduces Oil Consumption.\u003cbr\u003e\u003cbr\u003e* Replaces OEM # 18000-81\u003cbr\u003e\u003cbr\u003e* Sold as a Kit.\u003cbr\u003e\u003cbr\u003eProudly Made in the USA by James Gaskets !\u003c\/p\u003e","brand":"James Gaskets Inc","offers":[{"title":"Default Title","offer_id":42958119698526,"sku":"JGI-18000-81","price":18.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8530\/4926\/files\/JGI-18000-81.jpg?v=1782806588"},{"product_id":"intake-exhaust-valve-guide-fits-big-twin-1948-1979-standard-outside-diameter-av-v","title":"Intake \u0026 Exhaust Valve Guide. Fits Big Twin 1948-1979. Standard Outside Diameter. - AV\u0026V","description":"\u003cp\u003e* Designed for Harley-Davidson heads\u003cbr\u003e\u003cbr\u003e* Same Guide fits Inlet \u0026amp; Exhaust\u003cbr\u003e\u003cbr\u003e* Use with OEM style valve seals \u003cbr\u003e\u003cbr\u003e* Manganese-Bronze\u003cbr\u003e\u003cbr\u003e* High temp viton o-ring seal\u003cbr\u003e\u003cbr\u003e* Smooth lead-in\u003cbr\u003e\u003cbr\u003e* CNC machined\u003cbr\u003e\u003cbr\u003e* Guide ID unfinished \u003cbr\u003e\u003cbr\u003e* OD = .566\" Std size\u003cbr\u003e\u003cbr\u003e* ID = .375\"\u003cbr\u003e\u003cbr\u003e* AV-VGRC-3782 Reamer recomended for AV\u0026amp;V guides \u0026amp; valves \u003cbr\u003e\u003cbr\u003e* Replaces OEM # 18138-79\u003c\/p\u003e","brand":"AV\u0026V","offers":[{"title":"Default Title","offer_id":42957846970462,"sku":"AV-VG5300","price":20.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8530\/4926\/files\/AV-VG5300.jpg?v=1782806296"},{"product_id":"intake-exhaust-valve-guide-fits-big-twin-1980-1984-standard-outside-diameter-av-v","title":"Intake \u0026 Exhaust Valve Guide. Fits Big Twin 1980-1984. Standard Outside Diameter. - AV\u0026V","description":"\u003cp\u003e* Designed for Harley-Davidson heads\u003cbr\u003e\u003cbr\u003e* Same Guide fits Inlet \u0026amp; Exhaust\u003cbr\u003e\u003cbr\u003e* Use with OEM style valve seals \u003cbr\u003e\u003cbr\u003e* Manganese-Bronze\u003cbr\u003e\u003cbr\u003e* High temp viton o-ring seal\u003cbr\u003e\u003cbr\u003e* Smooth lead-in\u003cbr\u003e\u003cbr\u003e* CNC machined\u003cbr\u003e\u003cbr\u003e* Guide ID unfinished\u003cbr\u003e\u003cbr\u003e* OD = .625\" Std size\u003cbr\u003e\u003cbr\u003e* ID = .375\"\u003cbr\u003e\u003cbr\u003e* AV-VGRC-3782 Reamer recomended for AV\u0026amp;V guides \u0026amp; valves \u003cbr\u003e\u003cbr\u003e* Replaces OEM # 18109-81\u003c\/p\u003e","brand":"AV\u0026V","offers":[{"title":"Default Title","offer_id":42957847756894,"sku":"AV-VG5400","price":20.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8530\/4926\/files\/AV-VG5400.jpg?v=1782806296"},{"product_id":"exhaust-valve-seat-fits-big-twin-1966-1984-av-v","title":"Exhaust Valve Seat. Fits Big Twin 1966-1984. - AV\u0026V","description":"\u003cp\u003e* Easy oversize identification by the part number \u003cbr\u003e\u003cbr\u003e* Easy to machine with cutter and stone \u003cbr\u003e\u003cbr\u003e* Resists severe pounding and dissipates heat better \u003cbr\u003e\u003cbr\u003e* Work-hardens during running-in \u003cbr\u003e\u003cbr\u003e* Radiused for easier installation \u003cbr\u003e\u003cbr\u003e* Replaces OEM # 18010-79\u003cbr\u003e\u003cbr\u003e* Replaces OEM # 18017-66\u003cbr\u003e\u003cbr\u003e* Replaces OEM # 18020-79\u003cbr\u003e\u003cbr\u003e* Replaces OEM # 18055-66B\u003cbr\u003e\u003cbr\u003eOD = 1.944\"\u003cbr\u003e\u003cbr\u003eID = 1.575\"\u003cbr\u003e\u003cbr\u003eThickness = .400\"\u003c\/p\u003e","brand":"AV\u0026V","offers":[{"title":"Default Title","offer_id":42957862240350,"sku":"AV-1944","price":17.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8530\/4926\/files\/AV-1944.jpg?v=1782806310"},{"product_id":"intake-valve-seat-fits-big-twin-1966-1984-av-v","title":"Intake Valve Seat. Fits Big Twin 1966-1984. - AV\u0026V","description":"\u003cp\u003e* Easy oversize identification by the part number \u003cbr\u003e\u003cbr\u003e* Easy to machine with cutter and stone \u003cbr\u003e\u003cbr\u003e* Resists severe pounding and dissipates heat better \u003cbr\u003e\u003cbr\u003e* Work-hardens during running-in \u003cbr\u003e\u003cbr\u003e* Radiused for easier installation \u003cbr\u003e\u003cbr\u003e* Replaces OEM # 18018-66\u003cbr\u003e\u003cbr\u003e* Replaces OEM # 18056-66B\u003cbr\u003e\u003cbr\u003eOD = 2.135\"\u003cbr\u003e\u003cbr\u003eID = 1.750\"\u003cbr\u003e\u003cbr\u003eThickness = .400\"\u003c\/p\u003e","brand":"AV\u0026V","offers":[{"title":"Default Title","offer_id":42957863092318,"sku":"AV-2135","price":17.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8530\/4926\/files\/AV-2135.jpg?v=1782806310"},{"product_id":"valve-spring-kit-fits-big-twin-1948-1984-530in-lift-av-v","title":"Valve Spring Kit. Fits Big Twin 1948-1984. .530in. Lift - AV\u0026V","description":"\u003cp\u003eNote: Maximum Recommended Lift = .530\"\u003cbr\u003e\u003cbr\u003e* High Performance Spring Kit\u003cbr\u003e\u003cbr\u003e* Silicon \u0026amp; Vanadium alloy spring wire\u003cbr\u003e\u003cbr\u003e* Increased travel before coil bind\u003cbr\u003e\u003cbr\u003e* Complete Kit includes: springs, retainers, keepers \u0026amp; lower collars\u003cbr\u003e\u003cbr\u003eTech Tips:-\u003cbr\u003e\u003cbr\u003e* Rocker box clearance must be checked\u003cbr\u003e\u003cbr\u003e* Spring travel must be checked \u003cbr\u003e\u003cbr\u003e* Valve timing must be accurate\u003cbr\u003e\u003cbr\u003e** Over revving will lead to pre-mature failure of Valve Springs \u0026amp; collars.\u003c\/p\u003e","brand":"AV\u0026V","offers":[{"title":"Default Title","offer_id":42957863977054,"sku":"AV-VSK530","price":274.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8530\/4926\/files\/AV-VSK530.jpg?v=1782806311"},{"product_id":"valve-spring-kit-fits-big-twin-1948-1984-590in-lift-av-v","title":"Valve Spring Kit. Fits Big Twin 1948-1984. .590in. Lift - AV\u0026V","description":"\u003cp\u003eNote: Maximum Recommended Lift = .590\"\u003cbr\u003e\u003cbr\u003e* High Performance Spring Kit\u003cbr\u003e\u003cbr\u003e* Silicon \u0026amp; Vanadium alloy spring wire\u003cbr\u003e\u003cbr\u003e* Increased travel before coil bind\u003cbr\u003e\u003cbr\u003e* Complete Kit includes: springs, retainers, keepers \u0026amp; lower collars\u003cbr\u003e\u003cbr\u003eTech Tips:-\u003cbr\u003e\u003cbr\u003e* Rocker box clearance must be checked\u003cbr\u003e\u003cbr\u003e* Spring travel must be checked \u003cbr\u003e\u003cbr\u003e* Valve timing must be accurate\u003cbr\u003e\u003cbr\u003e** Over revving will lead to pre-mature failure of Valve Springs \u0026amp; collars.\u003c\/p\u003e","brand":"AV\u0026V","offers":[{"title":"Default Title","offer_id":42957864960094,"sku":"AV-VSK590","price":274.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8530\/4926\/files\/AV-VSK590.jpg?v=1782806312"}],"url":"https:\/\/ironhorsecustoms.com.au\/collections\/cylinder-heads-components-cylinder-heads-parts-vintage.oembed","provider":"Iron Horse Customs","version":"1.0","type":"link"}