{"product_id":"hastings-mfg-piston-rings-twin-cam-1584-std-size-moly-865-2046","title":"Hastings Mfg Piston Rings - Twin CAM 1584 STD Size Moly — Harley-Davidson Road King, Electra Glide Ultra Classic, Softail Heritage Classic (1999-2017)","description":"\u003cp\u003eHastings Mfg piston rings for Twin CAM 1584 engines in standard size, manufactured in the USA with moly coating for reduced wear and improved ring seal. Direct replacement compatible with OEM and Screaming Eagle pistons.\u003c\/p\u003e\n\u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eMoly-coated rings for reduced wear\u003c\/li\u003e\n  \u003cli\u003eThree-piece oil ring design\u003c\/li\u003e\n  \u003cli\u003eFits OEM and Screaming Eagle pistons\u003c\/li\u003e\n  \u003cli\u003eMade in the USA\u003c\/li\u003e\n  \u003cli\u003eSets include rings for two pistons\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 2M4805\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRing Type:\u003c\/strong\u003e Moly\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEngine:\u003c\/strong\u003e Twin CAM 1584\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSize:\u003c\/strong\u003e Standard\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 Harley-Davidson Twin CAM 1584 engines. Note: TC 113\" and 883 XL models require ordering two sets per bike, as rings are sold per-cylinder for those applications.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003ch3\u003eWill these fit my TC 113\" or 883 XL?\u003c\/h3\u003e\n\u003cp\u003eYes, but order two sets per bike — these ring sets are sold per-cylinder for those specific models, not as a pair.\u003c\/p\u003e\n\u003ch3\u003eAre these compatible with Screaming Eagle pistons?\u003c\/h3\u003e\n\u003cp\u003eYes — Hastings rings are engineered to work with both OEM and Screaming Eagle piston kits.\u003c\/p\u003e\n\u003ch3\u003eWhat's the difference between Cast and Moly rings?\u003c\/h3\u003e\n\u003cp\u003eMoly-coated rings (this part) offer reduced wear and better ring seal compared to cast rings, especially in performance and rebuilt engines.\u003c\/p\u003e\n\u003ch3\u003eAre these made in the USA?\u003c\/h3\u003e\n\u003cp\u003eYes — Hastings Mfg manufactures these rings domestically.\u003c\/p\u003e","brand":"Hastings Mfg","offers":[{"title":"Default Title","offer_id":53035980521583,"sku":"865-2046","price":53.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/6734\/6543\/files\/output_1b345900-5771-410c-8856-ec168950be33.png?v=1779565871","url":"https:\/\/vtwinbikers.com\/products\/hastings-mfg-piston-rings-twin-cam-1584-std-size-moly-865-2046","provider":"Vtwinbikers","version":"1.0","type":"link"}