{"product_id":"red-line-4t-motor-oil-20w50-4t-1-qt-12-case-sold-ea-57-6531","title":"Red Line 4T Motor Oil - 20w50 4t 1 QT (12\/Case Sold Ea) — Harley-Davidson (1984-2006)","description":"\u003cp\u003eRed Line 4T 20w50 motor oil for V-twin motorcycles, formulated with ester base stocks and JASO MA-compatible friction modifiers for superior film strength and wet-clutch compatibility. Extended drain intervals and reliable ring seal protection for Harley-Davidson and Indian Motorcycle engines.\u003c\/p\u003e\n\u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eEster base stock construction for superior film strength\u003c\/li\u003e\n  \u003cli\u003eJASO MA-approved friction modifiers for wet-clutch compatibility\u003c\/li\u003e\n  \u003cli\u003eExtended drain intervals over conventional oils\u003c\/li\u003e\n  \u003cli\u003eExcellent dispersant package for engine cleanliness\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 Red Line\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eViscosity:\u003c\/strong\u003e 20w50\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part #:\u003c\/strong\u003e 42504\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 083522425049\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQuantity:\u003c\/strong\u003e 1 quart\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 2.05 lbs\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e 4 in × 3.95 in × 8.8 in\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eFitment\u003c\/h2\u003e\n\u003cp\u003eSuitable for V-twin motorcycles including Harley-Davidson and Indian Motorcycle models with wet-clutch engines.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003ch3\u003eIs this oil safe for wet-clutch V-twin engines?\u003c\/h3\u003e\n\u003cp\u003eYes — Red Line 4T is blended with JASO MA-compatible friction modifiers designed for motorcycles with wet clutches.\u003c\/p\u003e\n\u003ch3\u003eHow often should I change this oil?\u003c\/h3\u003e\n\u003cp\u003eRed Line's ester base stock and superior dispersants allow extended drain intervals compared to conventional oils. Follow your bike's service manual for specific intervals.\u003c\/p\u003e\n\u003ch3\u003eCan I use this in a Harley or Indian?\u003c\/h3\u003e\n\u003cp\u003eYes — this 20w50 is formulated for V-twin motorcycle engines including Harley-Davidson and Indian models.\u003c\/p\u003e\n\u003ch3\u003eWhat's the viscosity?\u003c\/h3\u003e\n\u003cp\u003e20w50 — a heavier oil suited to air-cooled and warmer-climate V-twin riding.\u003c\/p\u003e","brand":"Red Line","offers":[{"title":"Default Title","offer_id":53035079172207,"sku":"57-6531","price":24.74,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/6734\/6543\/files\/output_94b8eeef-d63c-43ca-9691-e9515223e818.png?v=1779561095","url":"https:\/\/vtwinbikers.com\/products\/red-line-4t-motor-oil-20w50-4t-1-qt-12-case-sold-ea-57-6531","provider":"Vtwinbikers","version":"1.0","type":"link"}