{"product_id":"harddrive-billet-oil-pump-big-twin-1992-1999-evo-only-820-50103","title":"Harddrive Billet Oil Pump - BIG Twin 1992-1999 EVO Only — Harley-Davidson (1992-2006)","description":"\u003cp\u003eHarddrive billet oil pump for Big Twin EVO engines 1992-1999, CNC machined from cast aluminum and polished to a high gloss finish. Splits bottom and top end oil supply to increase pressure to hydraulic lifters and top end, with surplus routed back to the main passage to avoid unnecessary filtering.\u003c\/p\u003e\n\u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eCast aluminum CNC machined and polished to high gloss finish\u003c\/li\u003e\n  \u003cli\u003eSplits bottom and top end oil supply for increased hydraulic lifter pressure\u003c\/li\u003e\n  \u003cli\u003eSurplus oil routed to main supply passage, not return line\u003c\/li\u003e\n  \u003cli\u003eIncludes gaskets, drive shaft with keys and snap ring, check ball and pressure relief valve assemblies\u003c\/li\u003e\n  \u003cli\u003eOptional oil supply fitting locations for custom routing\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 Harddrive\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part #:\u003c\/strong\u003e 301497\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 191361129926\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 3.4484 lbs\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e China (Taiwan)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eFitment\u003c\/h2\u003e\n\u003cp\u003eFits Harley-Davidson Big Twin EVO engines 1992-1999 only. Cases manufactured 1970-1980 may require drilling for installation.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003ch3\u003eWill this fit my pre-1992 EVO?\u003c\/h3\u003e\n\u003cp\u003eNo — this pump is for 1992-1999 EVO Big Twin only. Earlier cases may require additional drilling.\u003c\/p\u003e\n\u003ch3\u003eWhat's included in the box?\u003c\/h3\u003e\n\u003cp\u003eOil pump, gaskets, drive shaft with keys and snap ring, mounting hardware, check ball, and pressure relief valve assemblies.\u003c\/p\u003e\n\u003ch3\u003eCan I upgrade my older engine to the 81-up oiling system with this pump?\u003c\/h3\u003e\n\u003cp\u003eYes — this pump offers that upgrade path by splitting bottom and top end oil supply for better hydraulic lifter pressure.\u003c\/p\u003e\n\u003ch3\u003eDo I need to modify my 1970-1980 cases for this pump?\u003c\/h3\u003e\n\u003cp\u003eCases from 1970-1980 may require drilling for proper fit. Verify your specific case before installation.\u003c\/p\u003e","brand":"Harddrive","offers":[{"title":"Default Title","offer_id":53035420778607,"sku":"820-50103","price":477.86,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/6734\/6543\/files\/output_187b852b-e7b7-43ac-9c40-a402f188139a.png?v=1779561500","url":"https:\/\/vtwinbikers.com\/products\/harddrive-billet-oil-pump-big-twin-1992-1999-evo-only-820-50103","provider":"Vtwinbikers","version":"1.0","type":"link"}