{"product_id":"evil-energy-5-16-fuel-injection-hose-10-ft-sae-j30r9-fkm-inner-aramid-reinforced-300-psi","title":"EVIL ENERGY 5\/16 Fuel Injection Hose 10 ft SAE J30R9 — FKM Inner, Aramid Reinforced, 300 PSI","description":"\u003cp\u003e\u003cstrong\u003eEVIL ENERGY 5\/16 fuel line is a 10-foot, SAE J30R9-rated fuel injection hose built with an FKM inner tube, aramid reinforcement and ECO cover for reliable fuel, ethanol and diesel service up to 300 PSI working pressure.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis heavy-duty 5\/16-inch (approx. 8 mm ID) fuel hose is engineered for modern fuel injection systems, LS swaps and related automotive plumbing where compatibility with ethanol blends and elevated temperatures matters. With a 10-foot length, aramid braid reinforcement and a fluorine-rubber inner designed to resist fuels and vapors, the hose meets SAE J30R9 criteria and provides a broad operating range for workshop and racing applications.\u003c\/p\u003e\n\n\u003ch3\u003eHow is this hose rated for pressure and temperature?\u003c\/h3\u003e\n\u003cp\u003eThe EVIL ENERGY 5\/16 fuel line is rated for a 300 psi working pressure and a 1200 psi burst pressure, giving a wide safety margin for most fuel-injection setups. Temperature capability spans from very cold service to high under-hood heat, with intermittent tolerance above continuous limits.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eWorking pressure: 300 psi\u003c\/li\u003e\n  \u003cli\u003eBurst pressure: 1200 psi\u003c\/li\u003e\n  \u003cli\u003eOperating range: -40°F to 275°F (intermittent up to 302°F)\u003c\/li\u003e\n  \u003cli\u003eMinimum bend radius: 2.52 inches (64 mm)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat materials and fuel types is this compatible with?\u003c\/h3\u003e\n\u003cp\u003eThe hose combines an FKM (fluorine rubber) inner tube with aramid fiber reinforcement and an ECO (epichlorohydrin) outer cover to balance chemical resistance and abrasion durability. It is formulated to tolerate modern fuels, including high-ethanol blends and common diesel or biodiesel compounds.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eInner: FKM (fluorine rubber) for fuel resistance\u003c\/li\u003e\n  \u003cli\u003eReinforcement: aramid fiber braid for strength\u003c\/li\u003e\n  \u003cli\u003eCover: ECO for abrasion and weather resistance\u003c\/li\u003e\n  \u003cli\u003eCompatible media: gasoline, E10\/E15\/E85, biodiesel, diesel\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill this fit my application and what are the dimensions?\u003c\/h3\u003e\n\u003cp\u003eDimensioning and tolerances are optimized for standard 5\/16-inch fuel fittings and clamps; the hose is intended for fuel injection plumbing, fuel pumps, filters, tanks, and transmission or oil-cooling lines where SAE 30R9 is required. Measure fittings and routing clearance to confirm compatibility with the stated tolerances.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eInside diameter (ID): 5\/16 in (≈8 mm), tolerance ±0.4 mm\u003c\/li\u003e\n  \u003cli\u003eOutside diameter (OD): 0.55 in (≈14 mm), tolerance ±0.5 mm\u003c\/li\u003e\n  \u003cli\u003eLength: 10 feet (3.05 m)\u003c\/li\u003e\n  \u003cli\u003eMinimum bend radius: 2.52 in (64 mm)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow does this hose compare to other SAE fuel hoses?\u003c\/h3\u003e\n\u003cp\u003eThis product conforms to and exceeds SAE J30R9 performance requirements, making it suitable where higher chemical and temperature resistance than R6 or R7 hoses is needed. The aramid reinforcement and FKM inner tube provide improved burst and chemical resistance versus standard rubber-only hoses.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eSAE J30R9 rated for enhanced temperature and chemical resistance\u003c\/li\u003e\n  \u003cli\u003eStronger burst margins versus R6\/R7 types\u003c\/li\u003e\n  \u003cli\u003eDesigned for fuel injection systems and demanding environments\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: The EVIL ENERGY 5\/16 fuel injection hose is aimed at mechanics, performance builders and vehicle owners doing fuel-system upgrades, LS swaps, or replacing aged fuel lines. It's also suitable for shops needing a versatile 10-foot length that handles ethanol blends and elevated under-hood temperatures while meeting SAE J30R9 expectations.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is this hose safe for E85 and ethanol blends?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes, the FKM inner and ECO cover are compatible with ethanol blends including E85, E15 and E10.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can I use this hose for fuel injection and LS swap projects?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. It meets SAE J30R9 and is intended for fuel injection, LS swaps, pumps, filters, and similar applications.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"EVIL ENERGY","offers":[{"title":"Default Title","offer_id":67586231697593,"sku":"B0BJJCTQRP","price":115.11,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0822\/3765\/3177\/files\/evil-energy-front-packaging-5-16-fuel-hose.jpg?v=1790481301","url":"https:\/\/redleafauto.ca\/products\/evil-energy-5-16-fuel-injection-hose-10-ft-sae-j30r9-fkm-inner-aramid-reinforced-300-psi","provider":"Redleaf Auto","version":"1.0","type":"link"}