Holley EFI - 558-325
Holley EFI Pro-Billet Ignition Adapter
Pro-Billet Ignition Adapter; For Use w/Terminator X EFI;
Designed to plug and play with MSD Pro Billet distributors and Holley EFI main harnesses with an ignition connector, such as Holley part number 558-104.
- Allows for plug and play ignition timing control when utilizing an MSD Pro Billet distributor
- Can be used with Terminator X
- (2) connectors
- Wires are in protective sleeve