{"product_id":"feuling-lifters-race-series-4052-4019-811-04052","title":"Feuling Lifters - Race Series (4052 \/ 4019) — Harley-Davidson Softail Heritage Classic, Road King, Softail Fat Boy (1999-2025)","description":"\u003cp\u003eFeuling Race Series hydraulic lifters engineered for high-lift camshafts and aggressive valve spring pressures in V-twin engines. Steel-body construction with a slower bleed-down rate maintains oil flow to the top end while reducing valve float and promoting maximum valve lift.\u003c\/p\u003e\n\u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eSteel body construction\u003c\/li\u003e\n  \u003cli\u003eSlower bleed-down rate for high valve spring pressures\u003c\/li\u003e\n  \u003cli\u003eMaintains oil flow to top end\u003c\/li\u003e\n  \u003cli\u003eReduces valve float and promotes maximum valve lift\u003c\/li\u003e\n  \u003cli\u003eSpin-Tron dyno developed and track proven\u003c\/li\u003e\n  \u003cli\u003eCompatible with Feuling HP+ and Race Series oil pumps\u003c\/li\u003e\n  \u003cli\u003eMade in the U.S.A.\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 Feuling\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part #:\u003c\/strong\u003e 4019\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e 6.2 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWidth:\u003c\/strong\u003e 4.9 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHeight:\u003c\/strong\u003e 3.45 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 1.28 lbs\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eFitment\u003c\/h2\u003e\n\u003cp\u003eFits V-twin motorcycle engines. Feuling recommends Race Series lifters for engines running higher than 185 lbs. valve spring seat pressure.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003ch3\u003eWhat valve spring pressure do these lifters support?\u003c\/h3\u003e\n\u003cp\u003eFeuling recommends Race Series lifters for engines with valve spring seat pressure higher than 185 lbs.\u003c\/p\u003e\n\u003ch3\u003eDo I need a different oil pump with these lifters?\u003c\/h3\u003e\n\u003cp\u003eThese lifters are compatible with Feuling HP+ or Race Series oil pumps. A high-volume oil pump is recommended for quieter, better-performing lifters.\u003c\/p\u003e\n\u003ch3\u003eAre these street legal?\u003c\/h3\u003e\n\u003cp\u003eRace Series lifters are designed for both street and strip engines. Check your local regulations if turbocharged or supercharged modifications apply.\u003c\/p\u003e\n\u003ch3\u003eWhat's the main advantage over stock lifters?\u003c\/h3\u003e\n\u003cp\u003eRace Series lifters handle higher valve spring pressures with a slower bleed-down rate, reducing valve float and maintaining oil flow on high-lift cams.\u003c\/p\u003e","brand":"Feuling","offers":[{"title":"Default Title","offer_id":53035379294319,"sku":"811-04052","price":307.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/6734\/6543\/files\/output_83d6ea4f-5f0b-4ba7-aa17-d763923fec97.png?v=1779561292","url":"https:\/\/vtwinbikers.com\/products\/feuling-lifters-race-series-4052-4019-811-04052","provider":"Vtwinbikers","version":"1.0","type":"link"}