1966 Mercury Commuter EFI Systems
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Fast®EZ-EFI® Self-Tuning Engine Management System with Wideband Closed LoopMercury Commuter M / P / Q / W / Z Engine VIN Character 1966, EZ-EFI® Self-Tuning Engine Management System with Wideband Closed Loop by Fast®. Make your vehicle faster and more powerful with premium-quality performance fuel system...No laptop or tuning experience required (Setup Wizard guides start-up & system tunes itself)4150 throttle body works with original carb-style throttle linkage$762.95
