Spool FX-350 Upgraded High Pressure Pump [Gen 1 B58]

Spool FX-350 Upgraded High Pressure Pump [Gen 1 B58]

Spool FX-350 Upgraded High Pressure Pump [Gen 1 B58] is a high-pressure fuel-pump upgrade that increases high-pressure direct-injection fuel capacity for tuned engines and ethanol-blend applications. It is intended for performance-focused builds where the fuel system, airflow or drivetrain must support demands beyond the factory configuration.

The product is supplied as an application-specific Spool configuration. Check the engine version, body style and selected package contents before ordering. Correct sizing and professional installation are particularly important for fuel-system and engine-management changes.

Technical details

• E85-compatible construction
• Requires ECU calibration before start-up
• Manufacturer SKU or variant code depends on the selected configuration

Available options

• Add Spool ethanol sensor, Vehicle has Spool ethanol sensor, No ethanol sensor
• No 10 µm filter, Add 10 µm filter
• NO I WILL MODIFY MY EXISTING FUEL LINE, Stainless steel

An upgraded high-pressure pump requires the product-specific ECU calibration changes before the engine is started. Make sure the low-pressure fuel system can also support the selected power level.