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FAST EZ-EFI Fuel Pump Relay Harnesses

4.17 out of 5 stars 6 Customer Reviews

Performance car owners want fuel economy and throttle response. That's why they upgrade to the EZ-EFI fuel pump conversion for mpg improvement. FAST has the relay harnesses to compliment this system. These plug-and-play harnesses are simple to install, and they'll hook you up to the precise amount of fuel for optimal performance.

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