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Set of 4 1050cc injectors by Fuel Management Systems (https://fmsinjection.com) in Anaheim, CA. I went with these injectors based on a recommendation from my tuner and was pleased with them. Used for 7 months with about 6,000 miles on them. E85 compatible. These use the same dead times as ID1050s. Ran great in my car, never had an issue with them. I paid $400 plus tax for the set but understand that they're not well-known around these parts so I'm probably gonna have to let them go for cheaper than they're worth.
Includes adapters for a Miata head and upper o-rings. You'll need to source lower o-rings. These run the same lower rings that all other aftermarket injectors do.
Do these plug directly into the Miata harness, or do you need to adapt the wiring?
Good question. They use EV14 connectors just like all other aftermarket injectors for our cars, so you either gotta use adapters or splice EV14 connectors into the factory harness (that's what I did).