{"product_id":"evil-energy-external-inline-fuel-pump-300-lph-12v-high-flow-efi-pump-universal-fit-with-hardware","title":"EVIL ENERGY External Inline Fuel Pump 300 LPH 12V, High‑Flow EFI Pump, Universal Fit with Hardware","description":"\u003cp\u003e\u003cstrong\u003eEVIL ENERGY's External Inline Fuel Pump is a compact 12V high-flow pump delivering up to 300 LPH for EFI systems, engineered for reliable fuel delivery across petrol and diesel applications.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis external inline unit is built for vehicles and custom fuel systems that need a consistent, high-volume feed at a wide range of temperatures. The pump is rated for multiple test-flow points and supports common fuels—offering a versatile option for aftermarket installations where a durable, serviceable pump is required. It arrives with installation hardware and adapters to simplify mounting below the fuel tank, promoting gravity-assisted feed.\u003c\/p\u003e\n\n\u003ch3\u003eHow much flow and pressure can I expect from this pump?\u003c\/h3\u003e\n\u003cp\u003eThe EVIL ENERGY pump offers measured flow outputs that vary with operating voltage and backpressure, making it suitable for many EFI setups. It’s performance-tested at typical voltages to help match system requirements without guesswork.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e300 LPH measured at 43 PSI with 13.5V input\u003c\/li\u003e\n  \u003cli\u003e255 LPH measured at 43 PSI with 12V input\u003c\/li\u003e\n  \u003cli\u003e200 LPH measured at 75 PSI with 12V input\u003c\/li\u003e\n  \u003cli\u003eContinuous operating pressure capability up to 75 PSI\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhich fuels is the pump compatible with and what temperatures will it tolerate?\u003c\/h3\u003e\n\u003cp\u003eThis inline pump is compatible with a broad range of liquid fuels commonly used in performance and everyday vehicles. It’s engineered to operate through extreme cold and high-heat conditions so it fits many climates and use cases.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eWorks with gasoline, pump gas, race fuels and diesel\u003c\/li\u003e\n  \u003cli\u003eOperating temperature range from -68°F up to 194°F\u003c\/li\u003e\n  \u003cli\u003eSealed design to withstand road and underbody environments\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do I install the pump and what comes in the box?\u003c\/h3\u003e\n\u003cp\u003eEVIL ENERGY recommends mounting this external pump below the fuel tank to maintain a gravity-fed inlet for reliable priming. The unit ships with adapters and mounting hardware so most installations require minimal additional parts.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eIncludes inlet 10AN and outlet 6AN adapters for common hose fittings\u003c\/li\u003e\n  \u003cli\u003eSupplied hardware: gaskets, washer, nuts and insulated terminals\u003c\/li\u003e\n  \u003cli\u003eTwo rubber connection covers and a user manual for step-by-step guidance\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill this work with my vehicle’s electrical system and EFI setup?\u003c\/h3\u003e\n\u003cp\u003eThe pump runs on 12V DC and is designed specifically for electronic fuel injection systems. Ensure your wiring, relay and fuse sizing meet the pump’s current draw and that the fuel line and filters are sized to match the flow capacity.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eIntended for 12V DC EFI use—verify electrical capacity before installation\u003c\/li\u003e\n  \u003cli\u003eRecommended to use an in-line fuse and relay for safe operation\u003c\/li\u003e\n  \u003cli\u003eInstall below the tank for best priming and longevity\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for? The EVIL ENERGY 300 LPH External Inline Fuel Pump suits hobbyists, tuners and professional installers who need a compact, serviceable pump for aftermarket EFI conversions, performance upgrades or replacement of worn external pumps. It’s a good choice when you need predictable flow at elevated pressures, broad fuel compatibility, and a rugged operating temperature range without changing the factory fuel-supply layout.\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: Can this pump run on both gasoline and diesel?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The pump is compatible with gasoline, pump gas, race fuels and diesel.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Where should I mount the pump for best performance?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Mount it below the fuel tank to ensure gravity-fed fuel flow and reliable priming.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"EVIL ENERGY","offers":[{"title":"Default Title","offer_id":55170169438551,"sku":"B07Y9WW183","price":96.18,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1050\/1524\/7191\/files\/evil-energy-external-pump-front-view.jpg?v=1790424511","url":"https:\/\/britishgarage.co.uk\/products\/evil-energy-external-inline-fuel-pump-300-lph-12v-high-flow-efi-pump-universal-fit-with-hardware","provider":"British Garage","version":"1.0","type":"link"}