FAST Engine Management Systems

EZ-EFI 2.0 Self Tuning Engine Control System - Multi-Port Retro-Fit Type, Kit

Part Number: FST-30404-KIT

3.2 out of 5 stars ( 10 )

Estimated Ship Date: Today

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Engine Management System, EZ-EFI Self-Tuning, EZ-EFI 4 Injector Throttle Body, ECU, Wiring Harness, Kit

Part Number: FST-304001

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Estimated Ship Date: Feb 4, 2026 if ordered today

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Engine Management System, XFI Sportsman, ECU, Ignition Controller, 02 Sensor, Wiring Harness, Software, USB Cable, Chevrolet, LS, Kit

Part Number: FST-303004

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Estimated Ship Date: Feb 4, 2026 if ordered today

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Engine Control Unit, Marine, XFI 2.0, O-Ring Sealed, Kit

Part Number: FST-301015

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Estimated Ship Date: Feb 4, 2026 if ordered today

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EZ-EFI 2.0 Self Tuning Engine Control System, GM, LS, Engine Swap, Kit

Part Number: FST-30405-KIT

1.2 out of 5 stars ( 5 )

Estimated Ship Date: Feb 4, 2026 if ordered today

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ECU, Fast XFI, Fuel Injection, with Data Logging, Kit

Part Number: FST-301003

3.0 out of 5 stars ( 1 )

Estimated Ship Date: Feb 4, 2026 if ordered today

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