This adapter lets a HyperSpark distributor plug directly into a Holley EFI main harness's ignition connector, enabling a "timed sequential" fuel strategy on Terminator X installations.
Specifications:
- For Use With: HyperSpark distributors and Terminator X
- Function: Enables timed sequential fuel strategy
- Connectors: 2
- Wiring: Routed through protective sleeve
- Color: Black
- Length: 17"
- Harness Application: Universal
- Warning: California Proposition 65
- Part Number: 558-323
FAQ
What is this adapter used for?
It lets a HyperSpark distributor plug directly into a Holley EFI main harness's ignition connector.
What ECU does it work with?
Terminator X, when paired with HyperSpark ignition.
What fuel strategy does it enable?
A "timed sequential" fuel strategy.
How many connectors does it have?
Two, with wiring routed through a protective sleeve.

