Spool FX-350 Upgraded High Pressure Fuel Pump System | AMG GT63 [M177] Ethanol Analyzer Options::Yes Include the Spool Ethanol Content Analyzer The oversized couplers are designed

The oversized couplers are designed to increase heat resistance

The upgraded pumps do require calibration changes

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AMG S63 (222/217) M177 LS2 4

Spool FX-350 Upgraded High Pressure Fuel Pump System | AMG GT63 [M177] Ethanol Analyzer Options::Yes Include the Spool Ethanol Content Analyzer The oversized couplers are designedSpool Performance FX 350 High Pressure Fuel Pump Upgrade What is the FX 350? Introducing the Spool Performance FX 350: the next evolution in high pressure fuel pumps, surpassing our previous model, the FX200, in both performance and efficiency. Enhanced Pressure and Flow: The FX 350 is engineered to deliver fuel at an impressive 35Mpa, significantly higher than the 25Mpa offered by the FX200. This increase in pressure, following the physics equation