{"product_id":"10w40-racing-oil-5qt-bottle","title":"PennGrade 10W40 Semi-Synthetic Racing Oil — 5 Qt. Bottle","description":"\u003cdiv style=\"background:#f7f7f7;border-left:4px solid #c00000;padding:14px 18px;margin:0 0 18px;\"\u003e\n\u003ch3 style=\"margin:0 0 6px;font-size:1.1em;\"\u003eAbout PennGrade\u003c\/h3\u003e\n\u003cp style=\"margin:0;font-size:0.95em;line-height:1.55;\"\u003ePennGrade engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full PennGrade lineup with fast shipping and expert fitment support — order with confidence.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch3 style=\"margin:24px 0 8px;\"\u003eWatch in action\u003c\/h3\u003e\u003cdiv style=\"position:relative;padding-bottom:56.25%;height:0;overflow:hidden;margin:0 0 18px;border-radius:6px;\"\u003e\u003ciframe src=\"https:\/\/www.youtube.com\/embed\/dqdulRh0pzA\" style=\"position:absolute;top:0;left:0;width:100%;height:100%;border:0;\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen loading=\"lazy\"\u003e\u003c\/iframe\u003e\u003c\/div\u003e\n\u003ch2\u003ePennGrade 10W40 Semi-Synthetic Racing Motor Oil - 5 Qt.\u003c\/h2\u003e\n\u003cp\u003eAchieve peak performance and unparalleled engine protection with PennGrade 10W40 Semi-Synthetic Racing Motor Oil. This advanced formulation combines the benefits of high-quality conventional and synthetic base stocks, delivering superior lubrication and wear resistance for high-performance engines.\u003c\/p\u003e\n\n\u003ch3\u003eAdvanced Engine Protection:\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eViscosity:\u003c\/strong\u003e 10W40 offers excellent flow characteristics at startup and robust protection at operating temperatures, suitable for a wide range of performance applications.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSemi-Synthetic Blend:\u003c\/strong\u003e Provides enhanced thermal stability, oxidation resistance, and detergency compared to conventional oils.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHigh Zinc Content (ZDDP):\u003c\/strong\u003e Crucial for protecting critical engine components like flat-tappet camshafts, lifters, and bearings from extreme wear, especially in demanding racing conditions.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSuperior Lubrication:\u003c\/strong\u003e Reduces friction and wear, helping to maximize horsepower and extend engine life.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eConvenient 5 Qt. Size:\u003c\/strong\u003e Ideal for most performance vehicles, ensuring you have enough oil for a complete oil change.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003ePennGrade's 10W40 Semi-Synthetic Racing Oil is designed to withstand the rigors of competition and high-performance street driving. Its formulation ensures consistent oil pressure, excellent thermal stability, and robust protection against wear, even under extreme heat and load. Whether you're on the track or pushing the limits on the street, this oil provides the confidence and reliability your engine needs. Equip your vehicle with the best from GGCRACING.\u003c\/p\u003e\n\u003cdiv style=\"margin:24px 0;border-top:1px solid #eee;padding-top:18px;\"\u003e\n\u003ch3 style=\"margin:0 0 6px;\"\u003eOften bought with\u003c\/h3\u003e\n\u003cp style=\"font-size:0.9em;color:#555;margin:0 0 8px;\"\u003eOther popular PennGrade products customers consider together:\u003c\/p\u003e\n\u003cul style=\"padding-left:20px;margin:0;\"\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/reliant-premium-15w40-case-4-x-1-gallon-jugs\" style=\"color:#0066cc;text-decoration:none;\"\u003ePennGrade Reliant Premium 15W-40 Semi-Synthetic Motor Oil (Case of 4 x 1 Gallon) — Engine \u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/autotrans-g3-case-12x1-quart\" style=\"color:#0066cc;text-decoration:none;\"\u003ePennGrade AutoTrans G-3 ATF Conventional Transmission Fluid (Case of 12 x 1 Quart) — Trans\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/autotrans-super-lv-case-12-x-1-quart\" style=\"color:#0066cc;text-decoration:none;\"\u003ePennGrade AutoTrans Super LV ATF Synthetic Transmission Fluid (Case of 12 x 1 Quart) — Tra\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/penngrade-euro-5w40-case-12-x-1-quart\" style=\"color:#0066cc;text-decoration:none;\"\u003ePennGrade Euro 5W-40 Synthetic Motor Oil - 12 x 1 Quart Bottles\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/penngrade-euro-elite-5w40-case-12-x-1-quart\" style=\"color:#0066cc;text-decoration:none;\"\u003ePennGrade Euro Elite 5W-40 Synthetic Motor Oil - 12 x 1 Quart Bottles\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\/\",\"@type\":\"Product\",\"name\":\"PennGrade 10W40 Semi-Synthetic Racing Oil \\u2014 5 Qt. 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Bottle?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Most installs are bolt-on with basic hand tools. See manufacturer documentation for torque specs and procedures.\"}}]}\u003c\/script\u003e","brand":"PennGrade","offers":[{"title":"Default Title","offer_id":41687432888404,"sku":"FWRK_BPO71440","price":50.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0552\/3210\/2484\/files\/BPO71440.jpg?v=1731178634","url":"https:\/\/ggcracing.com\/en-co\/products\/10w40-racing-oil-5qt-bottle","provider":"GGCRACING INC","version":"1.0","type":"link"}