1984 Ford Mustang EFI Systems
- Fast®EZ-EFI® Self-Tuning Engine Management System with Wideband Closed LoopFord Mustang 4BBL 1984, 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 parts. Manufactured using the highest...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
1984 Ford Mustang Models