The Holley EFI 8 Channel CANbus EGT Controller gives racers per-cylinder exhaust gas temperature data, helping identify horsepower left on the table, weak links in a max-effort engine, or an early sign of a misfire or stuck injector.
Specifications:
- Type: 8 Channel CAN EGT Controller, plug and play
- Compatibility: Holley HP EFI or Dominator EFI
- Requirement: V5 Build 100 or newer software/firmware
- Probes Required: Part numbers 554-175 through 554-180 (sold separately)
- Included Harness: 4 ft. CAN extension harness
- Outputs: 8x analog output wires for non-Holley EFI installations
- Housing: ABS composite, black
- Part Number: 554-190
Compliance: This part is legal for sale and use on Racing Use Only Vehicles — competition vehicles that are not registered and never operated on the street. It is against the law to install this part on an Emissions Controlled Vehicle (1966-and-newer California-certified or 1968-and-newer federally certified vehicles).
FAQ
What ECUs is this controller compatible with?
It's compatible with Holley HP EFI and Dominator EFI systems running V5 Build 100 firmware or newer.
Are the EGT probes included?
No. The controller requires EGT probes (part numbers 554-175 through 554-180), which are sold separately.
How many channels does this controller support?
It supports up to 8 channels of exhaust gas temperature monitoring.
Can this be used with a non-Holley EFI system?
Yes. The controller includes 8 analog output wires for use with non-Holley EFI installations.
