{"product_id":"walbro-255-inline-fuel-pump","title":"Walbro 255 LPH Inline Fuel Pump","description":"\u003cp\u003eThe Walbro 255 LPH Inline Fuel Pump is one of the most trusted high pressure EFI fuel pumps in performance and off-road applications. Designed for universal inline installation, this pump delivers 255 liters per hour of consistent fuel flow to support demanding fuel systems.\u003c\/p\u003e\n\u003cp\u003eCommonly used in LS swaps, boosted street cars, and off-road race vehicles, the is capable of supporting up to 550 horsepower when paired with proper fuel line sizing and fuel rails. \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIncludes\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e(1) Walbro GSL392 Fuel Pump\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003cdetails class=\"details\"\u003e\n\u003csummary class=\"details__header\"\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003cspan class=\"svg-wrapper icon-plus\"\u003e\u003csvg width=\"14\" height=\"14\" viewbox=\"0 0 14 14\" fill=\"none\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"\u003e\u003cpath class=\"vertical\" d=\"M2.75 7H11.25\" stroke=\"currentColor\" stroke-width=\"var(--icon-stroke-width)\" stroke-linecap=\"round\"\u003e\u003c\/path\u003e\u003cpath class=\"horizontal\" d=\"M7 2.75L7 11.25\" stroke=\"currentColor\" stroke-width=\"var(--icon-stroke-width)\" stroke-linecap=\"round\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\u003c\/span\u003e\u003c\/summary\u003e\n\u003cdiv class=\"details-content rte\"\u003e\n\u003cul\u003e\n\u003cli\u003eFlow Rate: 255 Liters Per Hour (LPH)\u003c\/li\u003e\n\u003cli\u003ePump Type: Inline, High Pressure EFI\u003c\/li\u003e\n\u003cli\u003eOperating Voltage: 12V\u003c\/li\u003e\n\u003cli\u003eMax Horsepower Support: Up to 550 HP (with proper system design)\u003c\/li\u003e\n\u003cli\u003eFuel Type Compatibility: Gasoline, E85 compatible with proper filtration\u003c\/li\u003e\n\u003cli\u003eInstallation Type: External \/ Inline\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/walbro-inline-fuelpump-installation-kit\"\u003eInstallation Kit can be purchased here.\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003chr\u003e\n\u003cdetails class=\"details\"\u003e\n\u003csummary class=\"details__header\"\u003e\u003cstrong\u003eFitment\u003c\/strong\u003e\u003cspan class=\"svg-wrapper icon-plus\"\u003e\u003csvg width=\"14\" height=\"14\" viewbox=\"0 0 14 14\" fill=\"none\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"\u003e\u003cpath class=\"vertical\" d=\"M2.75 7H11.25\" stroke=\"currentColor\" stroke-width=\"var(--icon-stroke-width)\" stroke-linecap=\"round\"\u003e\u003c\/path\u003e\u003cpath class=\"horizontal\" d=\"M7 2.75L7 11.25\" stroke=\"currentColor\" stroke-width=\"var(--icon-stroke-width)\" stroke-linecap=\"round\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\u003c\/span\u003e\u003c\/summary\u003e\n\u003cdiv class=\"details-content rte\"\u003e\n\u003cul\u003e\n\u003cli\u003eUniversal EFI applications\u003c\/li\u003e\n\u003cli\u003eLS swaps\u003c\/li\u003e\n\u003cli\u003eRock crawlers \u0026amp; Ultra4 cars\u003c\/li\u003e\n\u003cli\u003eStreet performance vehicles\u003c\/li\u003e\n\u003cli\u003eTurbocharged and supercharged builds (within flow limits)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003eDesigned for inline installation outside the fuel tank.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003chr\u003e\n\u003cdetails class=\"details\"\u003e\n\u003csummary class=\"details__header\"\u003e\u003cstrong\u003eTech Insight\u003c\/strong\u003e\u003cspan class=\"svg-wrapper icon-plus\"\u003e\u003csvg width=\"14\" height=\"14\" viewbox=\"0 0 14 14\" fill=\"none\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"\u003e\u003cpath class=\"vertical\" d=\"M2.75 7H11.25\" stroke=\"currentColor\" stroke-width=\"var(--icon-stroke-width)\" stroke-linecap=\"round\"\u003e\u003c\/path\u003e\u003cpath class=\"horizontal\" d=\"M7 2.75L7 11.25\" stroke=\"currentColor\" stroke-width=\"var(--icon-stroke-width)\" stroke-linecap=\"round\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\u003c\/span\u003e\u003c\/summary\u003e\n\u003cdiv class=\"details-content rte\"\u003e\n\u003cp\u003eThe \u003cstrong\u003eWalbro 255 LPH\u003c\/strong\u003e pump has become a benchmark in performance fuel systems because of its balance of flow, pressure capability, and durability.\u003c\/p\u003e\n\u003cp\u003eFor best results:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eUse a 100-micron pre-filter before the pump\u003c\/li\u003e\n\u003cli\u003eUse a 10-micron post-filter after the pump\u003c\/li\u003e\n\u003cli\u003eEnsure proper wiring with adequate voltage supply\u003c\/li\u003e\n\u003cli\u003eMatch fuel line size (-6 AN minimum recommended for most LS applications)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eFuel system design is critical — pump performance depends on proper filtration, line sizing, regulator setup, and electrical supply.\u003c\/p\u003e\n\u003cp\u003eIf you're building a reliable LS fuel system for off-road abuse, this pump is a proven solution.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003chr\u003e","brand":"Walbro","offers":[{"title":"Default Title","offer_id":56214555558054,"sku":"GSL392","price":110.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0693\/8394\/6406\/files\/GSL392-Walbro-55-Inline-Fuel-Pump-EFI-LS-1.jpg?v=1778096090","url":"https:\/\/wideopendesign.com\/products\/walbro-255-inline-fuel-pump","provider":"Wide Open Design","version":"1.0","type":"link"}