{"title":"Spool - Mercedes M278","description":"","products":[{"product_id":"spool-fx-170-upgraded-hpfp-kit-m278","title":"Spool FX-170 Upgraded HPFP Kit [M278]","description":"\u003cp data-start=\"0\" data-end=\"46\"\u003e\u003cstrong data-start=\"0\" data-end=\"46\"\u003eSpool FX-170 HPFP Kit | Mercedes-Benz M278\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"48\" data-end=\"342\"\u003eThe Spool Performance FX-170 is a high-pressure fuel pump (HPFP) performance upgrade for Mercedes-Benz M278 engines. This solution is designed to remove the limitations of the standard fuel system, enabling significantly higher power potential in tuned twin-turbo V8 configurations.\u003c\/p\u003e\n\u003chr data-start=\"344\" data-end=\"347\"\u003e\n\u003ch3 data-section-id=\"xen6ie\" data-start=\"349\" data-end=\"372\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"353\" data-end=\"372\"\u003eWhat is the FX-170?\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp data-start=\"373\" data-end=\"526\"\u003eThe FX-170 is an upgraded HPFP with a larger cylinder bore than the standard pump. This allows for approximately \u003cstrong data-start=\"485\" data-end=\"525\"\u003e+50% greater fuel flow\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cul data-start=\"528\" data-end=\"743\"\u003e\n\n\u003cli data-section-id=\"c56pce\" data-start=\"528\" data-end=\"568\"\u003e\u003cstrong data-start=\"530\" data-end=\"566\"\u003e+50% flow compared to stock\u003c\/strong\u003e\u003c\/li\u003e\n\n\u003cli data-section-id=\"1pxa33p\" data-start=\"569\" data-end=\"601\"\u003e\u003cstrong data-start=\"571\" data-end=\"599\"\u003eFull E85 compatibility\u003c\/strong\u003e\u003c\/li\u003e\n\n\u003cli data-section-id=\"1wtjmo2\" data-start=\"602\" data-end=\"671\"\u003e\n\n\u003cstrong data-start=\"604\" data-end=\"629\"\u003ePlug \u0026amp; Play installation:\u003c\/strong\u003e no cutting or wiring modifications\u003c\/li\u003e\n\n\u003cli data-section-id=\"1240g74\" data-start=\"672\" data-end=\"743\"\u003eEnables higher fuel delivery at higher power levels\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\u003cp data-start=\"745\" data-end=\"775\"\u003eThe additional capacity allows for:\u003c\/p\u003e\n\u003cul data-start=\"776\" data-end=\"857\"\u003e\n\n\u003cli data-section-id=\"17xfhog\" data-start=\"776\" data-end=\"805\"\u003eHigher ethanol blends\u003c\/li\u003e\n\n\u003cli data-section-id=\"faa3sf\" data-start=\"806\" data-end=\"832\"\u003eLarger turbochargers\u003c\/li\u003e\n\n\u003cli data-section-id=\"btu1b\" data-start=\"833\" data-end=\"857\"\u003eHigher power levels\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"y6g096\" data-start=\"864\" data-end=\"903\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"868\" data-end=\"903\"\u003eWhy is an upgrade necessary?\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp data-start=\"904\" data-end=\"969\"\u003eThe M278 engine's stock HPFP is a significant bottleneck for tuning:\u003c\/p\u003e\n\u003cul data-start=\"971\" data-end=\"1059\"\u003e\n\n\u003cli data-section-id=\"ddmolm\" data-start=\"971\" data-end=\"1024\"\u003eInsufficient fuel delivery for higher power levels\u003c\/li\u003e\n\n\u003cli data-section-id=\"6aj76o\" data-start=\"1025\" data-end=\"1059\"\u003eLimited ethanol capability\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\u003cp data-start=\"1061\" data-end=\"1068\"\u003eThe FX-170:\u003c\/p\u003e\n\u003cul data-start=\"1069\" data-end=\"1242\"\u003e\n\n\u003cli data-section-id=\"m6fgie\" data-start=\"1069\" data-end=\"1130\"\u003eSignificantly increases fuel system capacity\u003c\/li\u003e\n\n\u003cli data-section-id=\"ft80ad\" data-start=\"1131\" data-end=\"1189\"\u003eEnables more powerful and safer tuning\u003c\/li\u003e\n\n\u003cli data-section-id=\"1llxj1x\" data-start=\"1190\" data-end=\"1242\"\u003eSupports demanding turbo and flex fuel setups\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"gk4jgp\" data-start=\"1249\" data-end=\"1272\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"1253\" data-end=\"1272\"\u003ePackage Contents\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul data-start=\"1273\" data-end=\"1497\"\u003e\n\n\u003cli data-section-id=\"1kuuvlb\" data-start=\"1273\" data-end=\"1315\"\u003e2 x FX-170 high-pressure fuel pumps\u003c\/li\u003e\n\n\u003cli data-section-id=\"hujf8f\" data-start=\"1316\" data-end=\"1367\"\u003eUpgraded fuel lines + installation hardware\u003c\/li\u003e\n\n\u003cli data-section-id=\"mdue52\" data-start=\"1368\" data-end=\"1419\"\u003eBosch 10 micron high-flow fuel filter\u003c\/li\u003e\n\n\u003cli data-section-id=\"4nvuvh\" data-start=\"1420\" data-end=\"1497\"\u003eEthanol content monitoring system (optional, with mobile app)\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"10smnb5\" data-start=\"1504\" data-end=\"1538\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"1508\" data-end=\"1538\"\u003eSpool 10-micron filter\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul data-start=\"1539\" data-end=\"1693\"\u003e\n\n\u003cli data-section-id=\"13z13dn\" data-start=\"1539\" data-end=\"1594\"\u003eTop-tier filtration without significant pressure drop\u003c\/li\u003e\n\n\u003cli data-section-id=\"13j338v\" data-start=\"1595\" data-end=\"1642\"\u003eProtects HPFP and injectors from contaminants\u003c\/li\u003e\n\n\u003cli data-section-id=\"1tmq1ji\" data-start=\"1643\" data-end=\"1693\"\u003eRecommended addition for high-power configurations\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"1gtiq1z\" data-start=\"1700\" data-end=\"1751\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"1704\" data-end=\"1751\"\u003eSpool Ethanol Content Monitor (optional)\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul data-start=\"1752\" data-end=\"1971\"\u003e\n\n\u003cli data-section-id=\"oiw5o0\" data-start=\"1752\" data-end=\"1823\"\u003eReal-time ethanol content and fuel temperature display\u003c\/li\u003e\n\n\u003cli data-section-id=\"1rj1dzf\" data-start=\"1824\" data-end=\"1864\"\u003eConnectivity to mobile app (BLE 4.0)\u003c\/li\u003e\n\n\u003cli data-section-id=\"1v2g840\" data-start=\"1865\" data-end=\"1916\"\u003eEnables precise fuel mixture control\u003c\/li\u003e\n\n\u003cli data-section-id=\"gnlxoh\" data-start=\"1917\" data-end=\"1971\"\u003eFull E85 compatibility for fuel lines\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"16z113o\" data-start=\"1978\" data-end=\"2007\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"1982\" data-end=\"2007\"\u003eSoftware Requirements\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp data-start=\"2008\" data-end=\"2045\"\u003eThe FX-170 requires software modifications:\u003c\/p\u003e\n\u003cul data-start=\"2046\" data-end=\"2157\"\u003e\n\n\u003cli data-section-id=\"159teb2\" data-start=\"2046\" data-end=\"2089\"\u003eCalibration must be performed before use\u003c\/li\u003e\n\n\u003cli data-section-id=\"1ooc8ms\" data-start=\"2090\" data-end=\"2157\"\u003eOperation without adjustment can cause damage and void the warranty\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\u003cp data-start=\"2159\" data-end=\"2165\"\u003eSpool:\u003c\/p\u003e\n\u003cul data-start=\"2166\" data-end=\"2251\"\u003e\n\n\u003cli data-section-id=\"o3ghdk\" data-start=\"2166\" data-end=\"2210\"\u003eProvides calibration data to the tuner\u003c\/li\u003e\n\n\u003cli data-section-id=\"3mag7a\" data-start=\"2211\" data-end=\"2251\"\u003eHelps find an experienced tuner\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\u003cp data-start=\"2253\" data-end=\"2299\"\u003eNote: Spool does not offer pre-made custom tunes\u003c\/p\u003e\n\u003ch3 data-section-id=\"xp8wtj\" data-start=\"2306\" data-end=\"2333\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"2310\" data-end=\"2333\"\u003eImportant Note: LPFP\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp data-start=\"2334\" data-end=\"2388\"\u003eThe low-pressure fuel system is critical:\u003c\/p\u003e\n\u003cul data-start=\"2390\" data-end=\"2549\"\u003e\n\n\u003cli data-section-id=\"eh2cpa\" data-start=\"2390\" data-end=\"2447\"\u003eInadequate LPFP can damage the HPFP and injectors\u003c\/li\u003e\n\n\u003cli data-section-id=\"194ejp7\" data-start=\"2448\" data-end=\"2497\"\u003eHPFP lubrication relies on fuel flow\u003c\/li\u003e\n\n\u003cli data-section-id=\"1egpe2r\" data-start=\"2498\" data-end=\"2549\"\u003eLack of fuel → wear and failure\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\u003cp data-start=\"2551\" data-end=\"2610\"\u003eRecommendation: ensure adequate low-pressure side upgrade\u003c\/p\u003e","brand":"QT Parts","offers":[{"title":"Add a wireless ethanol content sensor","offer_id":49492773044571,"sku":"SP-FX17-M278","price":4357.0,"currency_code":"EUR","in_stock":true},{"title":"I am installing an already existing ethanol sensor","offer_id":49492773077339,"sku":"SP-FX17-M278-EE","price":3990.0,"currency_code":"EUR","in_stock":true},{"title":"Without sensor","offer_id":49492773110107,"sku":"SP-FX17-M278-NE","price":3990.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0713\/9937\/5126\/files\/fx170-1_900x900_crop_center_993f804b-5eae-4767-a712-9aeecd1973d3.png?v=1731759610"},{"product_id":"spool-stage-3-lpfp-m278","title":"Spool Stage 3 LPFP [M278]","description":"\u003cp data-start=\"0\" data-end=\"42\"\u003e\u003cstrong data-start=\"0\" data-end=\"42\"\u003eSpool Stage 3 LPFP | Mercedes-AMG M278\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"44\" data-end=\"299\"\u003eThe Spool Performance Stage 3 LPFP is the production version of the Low-Pressure Fuel Pump (LPFP) upgrade for Mercedes-AMG M278 engines. The system is designed to eliminate low-pressure side limitations, especially with high power and E85 use.\u003c\/p\u003e\n\u003ch3 data-section-id=\"1izzxy\" data-start=\"301\" data-end=\"316\"\u003eProduct Description\u003c\/h3\u003e\n\u003cp data-start=\"317\" data-end=\"581\"\u003eAs High-Pressure Fuel Pumps (HPFP) evolve to be more powerful, the low-pressure side electric fuel pump often becomes a critical bottleneck. The Stage 3 LPFP solves this with a dual-pump design that significantly increases fuel flow capacity.\u003c\/p\u003e\n\u003cul data-start=\"583\" data-end=\"868\"\u003e\n\n\u003cli data-section-id=\"1ay14z4\" data-start=\"583\" data-end=\"618\"\u003eProduction version, ready solution\u003c\/li\u003e\n\n\u003cli data-section-id=\"krj6xv\" data-start=\"619\" data-end=\"659\"\u003eDual pump system\u003c\/li\u003e\n\n\u003cli data-section-id=\"1k6p51p\" data-start=\"660\" data-end=\"713\"\u003eSecondary pump activates according to boost pressure\u003c\/li\u003e\n\n\u003cli data-section-id=\"17yfec9\" data-start=\"714\" data-end=\"753\"\u003eNearly 2x flow compared to stock\u003c\/li\u003e\n\n\u003cli data-section-id=\"1x28f9h\" data-start=\"754\" data-end=\"808\"\u003eSupports over 1200 whp low-pressure side capacity\u003c\/li\u003e\n\n\u003cli data-section-id=\"1k3q5qn\" data-start=\"809\" data-end=\"868\"\u003eCompatible with all fuels, including E85\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"cukh04\" data-start=\"870\" data-end=\"890\"\u003eOperating Principle\u003c\/h3\u003e\n\u003cul data-start=\"891\" data-end=\"1106\"\u003e\n\n\u003cli data-section-id=\"29sttp\" data-start=\"891\" data-end=\"952\"\u003ePrimary pump operates normally under light load\u003c\/li\u003e\n\n\u003cli data-section-id=\"1qx0kgf\" data-start=\"953\" data-end=\"1005\"\u003eSecondary pump activates as boost increases\u003c\/li\u003e\n\n\u003cli data-section-id=\"1q6jihe\" data-start=\"1006\" data-end=\"1055\"\u003eIncreases fuel delivery at high loads\u003c\/li\u003e\n\n\u003cli data-section-id=\"1tjy11f\" data-start=\"1056\" data-end=\"1106\"\u003eEnsures consistent supply to high-pressure pumps\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"1few9je\" data-start=\"1108\" data-end=\"1143\"\u003eWhy is an upgrade necessary?\u003c\/h3\u003e\n\u003cp data-start=\"1144\" data-end=\"1222\"\u003eThe M278 engine's stock LPFP limits performance in tuned configurations:\u003c\/p\u003e\n\u003cul data-start=\"1224\" data-end=\"1387\"\u003e\n\n\u003cli data-section-id=\"1818q0n\" data-start=\"1224\" data-end=\"1273\"\u003eE85 significantly increases fuel demand\u003c\/li\u003e\n\n\u003cli data-section-id=\"zdc40s\" data-start=\"1274\" data-end=\"1330\"\u003eHigh power requires greater flow capacity\u003c\/li\u003e\n\n\u003cli data-section-id=\"1pz0d8n\" data-start=\"1331\" data-end=\"1387\"\u003eHPFP does not operate optimally without adequate supply\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\u003cp data-start=\"1389\" data-end=\"1402\"\u003eStage 3 LPFP:\u003c\/p\u003e\n\u003cul data-start=\"1403\" data-end=\"1530\"\u003e\n\n\u003cli data-section-id=\"1fkrp6z\" data-start=\"1403\" data-end=\"1445\"\u003eRemoves the low-pressure side bottleneck\u003c\/li\u003e\n\n\u003cli data-section-id=\"1s989dn\" data-start=\"1446\" data-end=\"1486\"\u003eImproves system reliability\u003c\/li\u003e\n\n\u003cli data-section-id=\"17pfyfm\" data-start=\"1487\" data-end=\"1530\"\u003eEnables very high power levels\u003c\/li\u003e\n\n\n\u003c\/ul\u003e","brand":"QT Parts","offers":[{"title":"Default Title","offer_id":49492777861467,"sku":"SP-LS3-M278","price":1545.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0713\/9937\/5126\/files\/CLSM157lpfp-1-1014x912_900x900_crop_center_f542ace7-f90a-404a-abd9-e2148be93990.png?v=1731759733"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0713\/9937\/5126\/collections\/mersu_logo_1_12697814-d9e5-4379-bfb6-9159e14b0611.png?v=1731759533","url":"https:\/\/www.qtparts.fi\/en-gb\/collections\/spool-mercedes-m278.oembed","provider":"QT Parts","version":"1.0","type":"link"}