EZ Fuel Multiport EZ Fuel Self-Tuning Multiport Injection Kit EZ Fuel Self-Tuning Multiport Kit For retrofitting extisting multiport fuel injection cars to EZ EFI Self-Tuning Muliport Fuel Injection. Usually allows for retention of existing injectors and sensors. Fuel Injection System The EZ-EFI? Fuel Multi-Port Retro-Fit Kit allows owners of existing factory or aftermarket multi-port fuel injected applications to experience the benefits of an EZ-EFI? Fuel system with no limit on horsepower because the system is based on each customer?s supplied injectors. The kit comes with everything needed to convert factory or aftermarket EFI systems into a complete FAST? EZ-EFI? Fuel system.
