{"product_id":"mercedes-benz-550-m278-spool-stage-3-low-pressure","title":"Mercedes-Benz 550 M278 Spool Stage 3 Low Pressure Fuel Pump Upgrade","description":"\u003cp\u003eThe Spool Stage 3 low pressure fuel pump kit for the Mercedes-Benz 550 M278 removes the in-tank pump as a bottleneck on high-horsepower M278 builds, especially on E85.\u003c\/p\u003e\u003ch2\u003eWhy you need it\u003c\/h2\u003e\u003cp\u003eOnce your high pressure pumps can support the fuel demand, the factory in-tank pumps that feed them become the limit. This twin-pump design brings the second pump in at boost onset, giving almost double the flow of a stock pump and supports over 1200 whp of low pressure fueling on any fuel type.\u003c\/p\u003e\u003ch2\u003eFits\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eMercedes-Benz E550 (M278)\u003c\/li\u003e\n\u003cli\u003eMercedes-Benz CLS550 (M278)\u003c\/li\u003e\n\u003cli\u003eMercedes-Benz S550 (M278)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eFeatures\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eTwin-pump design with the second pump activating at boost onset\u003c\/li\u003e\n\u003cli\u003eSupports over 1200 whp of low pressure fueling\u003c\/li\u003e\n\u003cli\u003eBuilt for high ethanol blends including E85\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eGood to know\u003c\/h2\u003e\u003cp\u003ePair with an upgraded high pressure fuel pump and a matching tune for best results. Professional installation is recommended.\u003c\/p\u003e","brand":"Spool Performance","offers":[{"title":"Default Title","offer_id":46564568039509,"sku":"SP-LS3-M278","price":1399.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0638\/9769\/8389\/files\/mercedes_68713069-1dcb-4c09-b1d6-070c593c24ab.jpg?v=1793250952","url":"https:\/\/www.wrenchhaususa.com\/de\/products\/mercedes-benz-550-m278-spool-stage-3-low-pressure","provider":"Wrench Haus","version":"1.0","type":"link"}