1978 Mercury Zephyr Ignition Boxes & Controllers
- Holley®EFI™ Crank Trigger KitMercury Zephyr 5.0L 1978, EFI™ Crank Trigger Kit by Holley®. Holley Performance Products has been the undisputed leader in fuel systems for over 100 years. Holley's products include carburetors, fuel pumps, fuel injection, intake...Engineered to help enhance speed and fuel efficiencyDeveloped using innovative technology for outstanding performance$539.95
1978 Mercury Zephyr Models