Spool FX-350 Upgraded High Pressure Fuel Pump System | SL63 AMG [M177] Ethanol Analyzer Options::I would not be installing an Ethanol Content Analyzer makes it an essential upgrade

makes it an essential upgrade for those looking to maximize the potential of their high-performance engine

Oversized BlackBoost couplers

We stand behind the quality we promise you

Supports airflow for 1000+ WHP builds

Introducing the Spool Performance FX-350: the next evolution in high-pressure fuel pumps

Spool FX-350 Upgraded High Pressure Fuel Pump System | SL63 AMG [M177] Ethanol Analyzer Options::I would not be installing an Ethanol Content Analyzer makes it an essential upgradeSpool 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