
558-323 HyperSpark Ignition Adapter Harness
Holley 558-323 HyperSpark Ignition Adapter Harness Features:
- Used with Holley EFI V5 Build 160 or Later, or Terminator X, to use a "timed sequential" fuel strategy
- Plug & play design for HyperSpark distributors
Holley 558-323 HyperSpark Ignition Adapter Harness Note:
- For Troubleshooting Tips on setting up your New Holley Sniper EFI System, please see this helpful video from Holley Performance.
Emissions Note:
This part is only legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles or on vehicles used solely for the purposes of closed competition racing.
CLICK THIS LINK FOR IMPORTANT CARB & EPA EMISSIONS INFORMATION ABOUT THIS PART
Simple Plug & Play Wiring Harnesses
Holley EFI systems have been relied on by enthusiasts across the globe for increased power, fuel economy, and overall engine efficiency. A properly functioning EFI system begins with correct wiring, and these Holley harnesses can assist. Each wiring harness provides fast and easy installation for quick wiring solutions.

![Brake and Parts Cleaner [14 oz. Aerosol Can]](https://www.jegs.com/images/mini_200/500/555/555-72312.jpg)
![Penetrating Oil [11 oz. Aerosol Can]](https://www.jegs.com/images/mini_200/600/639/639-11043.jpg)
![Fender Cover with Pocket [23 in. W x 31 1/2 in. L]](https://www.jegs.com/images/mini_200/500/555/555-65010.jpg)



![Socket Set, 3/8 in. & 1/4 in. Drive [SAE/Metric 52-Piece]](https://www.jegs.com/images/mini_200/500/555/555-81565.jpg)
![Flex Socket Set, 3/8 in. Drive [SAE 7-Piece]](https://www.jegs.com/images/mini_200/500/555/555-w38980.jpg)


![Round Magnetic Parts Tray [5 1/2 in. Round]](https://www.jegs.com/images/mini_200/500/555/555-80080.jpg)

![4-Drawer Tool Box Cart [580 lb. Capacity]](https://www.jegs.com/images/mini_200/500/555/555-81410.jpg)

![Tool Box Drawer Liner [16 in. x 94 in. x 1/16 in.]](https://www.jegs.com/images/mini_200/500/555/555-w88996.jpg)

