Order Status & Returns
Gift Cards
Help Center
1-800-345-4545
Vehicle Info NeededHOLLEYPART NUMBER: 510-550-909T
Terminator X EFI ECU Kit for GM LS1 and LS6 with EV6 Injectors No Handheld
$1,44995
Ships on Oct 27, 2026
Lowest Price GuaranteeCurrently Unavailable
This product is currently not available. Please call customer service for assistance at 1-800-345-4545.
GM LS
LS1/LS6 24x Tooth Reluctor
LS1/LS6 24x Tooth Reluctor
Terminator X EFI ECU KitGM LS1 and LS6 Engines 24x Crank, 1x Cam, EV6 Injectors Self-Learning Fuel with 1-Bar MAP Sensor Four 12-Volt and 5-Volt Programmable Inputs USB/CAN Cable and RPM-Based Boost Control
Terminator X is a self-tuning EFI ECU kit for GM LS1 and LS6 engines with EV6 injectors, tuned over a USB/CAN cable with the free Terminator X software instead of a handheld display.
Holley 550-909T Highlights:
- Fits GM LS1 and LS6 engines.
- 24x crank, 1x cam, EV6 injector harness.
- Real-time self-learning fuel with 1-bar MAP sensor.
- Four 12-volt and 5-volt programmable inputs and outputs.
- USB/CAN tuning cable in place of a handheld.
- Bosch LSU 4.9 wideband oxygen sensor included.
Part TypeEngine Control Module
BrandHOLLEY
Package Height8.0
Package Width11.5
Package Length12.0
Weight8.7 PG
Part CategoryPerformance Parts
Part FitmentUniversal
Package Qty1
Package TypeEA
No Questions
No Reviews
Items You Need
HOLLEY
7 in. EFI Digital Dash Full-Color Touch Screen 800x480 Weatherproof
Part Number : 510-553-106
$82195$967.95
You Save$146.00
HOLLEY
Part Number : 510-553-106
$82195$967.95
You Save$146.00
ITEM YOU MAY ALSO CONSIDER
HOLLEY
Terminator X EFI ECU Kit for GM LS1 and LS6 Engines with EV6 Injectors
Part Number : 510-550-909
$1,59995
HOLLEY
Part Number : 510-550-909
$1,59995
EASY KITS
REPLACEMENT PARTS
Some parts are not legal for use in California or other states with similar laws / regulations
