{"product_id":"hastings-mfg-piston-rings-twin-cam-1584-os-005-moly-865-2047","title":"Hastings Mfg Piston Rings - Twin CAM 1584 OS .005 Moly — Harley-Davidson Road King, Electra Glide Ultra Classic, Softail Heritage Classic (1999-2017)","description":"\u003cp\u003eHastings Mfg piston rings for Twin Cam 1584cc engines in .005 oversized moly construction. Made in the USA and designed to work with OEM and Screaming Eagle pistons, these three-piece oil rings deliver consistent compression and oil control across the ring package.\u003c\/p\u003e\n\u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eMoly construction for durability\u003c\/li\u003e\n  \u003cli\u003eThree-piece oil ring design\u003c\/li\u003e\n  \u003cli\u003eCompatible with OEM and Screaming Eagle pistons\u003c\/li\u003e\n  \u003cli\u003eMade in the USA\u003c\/li\u003e\n  \u003cli\u003eSet of two pistons (see fitment note for TC 113\" and 883 XL)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Hastings Mfg\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part #:\u003c\/strong\u003e 2M4805005\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOversized:\u003c\/strong\u003e .005 OS\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEngine:\u003c\/strong\u003e Twin Cam 1584\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Moly\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e 5 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWidth:\u003c\/strong\u003e 1.37 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHeight:\u003c\/strong\u003e 5 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 0.22 lbs\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eFitment\u003c\/h2\u003e\n\u003cp\u003eFits Twin Cam 1584cc V-twin engines. NOTE: For Twin Cam 113\" and 883 XL models, these rings are sold per cylinder — you must order two sets per bike.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003ch3\u003eAre these compatible with Screaming Eagle pistons?\u003c\/h3\u003e\n\u003cp\u003eYes — Hastings Mfg piston rings are designed to work with both OEM and Screaming Eagle pistons.\u003c\/p\u003e\n\u003ch3\u003eDo I need one or two sets for my bike?\u003c\/h3\u003e\n\u003cp\u003eMost Twin Cam models use one set (two pistons). Twin Cam 113\" and 883 XL require two sets because rings are sold per cylinder.\u003c\/p\u003e\n\u003ch3\u003eWhat is moly construction and why does it matter?\u003c\/h3\u003e\n\u003cp\u003eMoly (molybdenum) plating on the top ring improves wear resistance and compression seal, extending ring life under high RPM conditions.\u003c\/p\u003e\n\u003ch3\u003eAre these made in the USA?\u003c\/h3\u003e\n\u003cp\u003eYes — Hastings Mfg manufactures these piston rings in the United States.\u003c\/p\u003e","brand":"Hastings Mfg","offers":[{"title":"Default Title","offer_id":53035980587119,"sku":"865-2047","price":53.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/6734\/6543\/files\/output_66abbf37-d9e8-4231-aa11-38fd40996749.png?v=1779563964","url":"https:\/\/vtwinbikers.com\/products\/hastings-mfg-piston-rings-twin-cam-1584-os-005-moly-865-2047","provider":"Vtwinbikers","version":"1.0","type":"link"}