Availability

- In Stock Items. Ships Today. (1) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- In Stock Items, Including at a Supplier. Ships In a Few Days. (1) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- All Items, Including Not In Stock (1) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
Filters
Filter Options
- Fuel Saver (1)

Holley Hilborn Universal Terminator X MPFI Systems

Not Yet Reviewed

The Hilborn EFI-R manifold systems combine electronic fuel injection with the racing-born performance and aggressive looks of individual runner engine induction. Ho

The Hilborn EFI-R manifold systems combine electronic fuel injection with the racing-born performance and aggressive looks of individual runner engine induction. Holley Hilborn Universal Terminator X MPFI systems provide cutting edge EFI technology, and are intended for the most serious naturally aspirated performance enthusiast.

Each kit includes a CAN-USB tuning dongle, so you can tune your EFI system specifically for your engine via Holley's free Terminator X EFI software. Also included is a universal main harness, EV1 injector harness, Bosch LSU 4.9 wideband, input/output harness, and main power harness.

The Hilborn EFI-R manifold systems combine electronic fuel injection with the racing-born performance and aggressive looks of individual runner engine induction. Holley Hilborn Universal Terminator X MPFI systems provide cutting edge EFI technology, and are intended for the most serious naturally aspirated performance enthusiast.

Each kit includes a CAN-USB tuning dongle, so you can tune your EFI system specifically for your engine via Holley's free Terminator X EFI software. Also included is a universal main harness, EV1 injector harness, Bosch LSU 4.9 wideband, input/output harness, and main power harness.

These kits are for use with Hilborn EFI-R intake manifolds:

* 300-800 for Big Block Chevrolet applications requiring 2 7/16 in. throttle bores
* 300-801 for Big Block Chevrolet applications requiring 2 5/8 in. throttle bores
* 300-807 for Big Block Chevrolet applications requiring 3 in. throttle bores

Showing In Stock Items. Show All 1 Items.

Results 1 - 1 of 1

Holley Hilborn Universal Terminator X MPFI Systems 550-718

Engine Management Systems, Terminator X, Hillborn EFI Intake, 8 EV1 Injectors, 8 Coils, Analog inputs, Chevy, Big-block, Push-rod Engine, Kit

Part Number: HLY-550-718

Not Yet Reviewed

Estimated Ship Date: Monday 12/8/2025

...Loading

Estimated Ship Date: Monday 12/8/2025

1

Page 1 of 1