This main engine harness is intended for use with Dominator, HP, Terminator X, and Terminator X Max ECUs when running a Terminator or Terminator Stealth throttle body injection unit on a Gen 4 58x LS engine.
Specifications:
- Application: Gen 4 58x LS engines
- Compatible ECUs: Dominator, HP, Terminator X, Terminator X Max
- Crank and cam sensor plugs for Gen 4 58x LS engines
- Even/Odd LS coil harness plugs
- Bulkhead connector for Holley 534-225 and 534-227 (and similar) throttle body injection units
- Product Type: Terminator LS Main Engine Harness
- Part Number: 558-112
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 LS engines is this harness designed for?
It's built for Gen 4 58x LS engines when paired with a Terminator or Terminator Stealth throttle body injection unit.
Which Holley EFI ECUs does this harness work with?
It's designed for Dominator, HP, Terminator X, and Terminator X Max ECUs.
What throttle body units does this harness's bulkhead connector fit?
The bulkhead connector fits Holley part numbers 534-225 and 534-227, and similar throttle body injection units.
Is this harness legal for street use?
No. This part is for Racing Use Only Vehicles and is not legal to install on an emissions-controlled street vehicle.
What part number is this harness?
This main engine harness for 58x LS with TBI is Holley part number 558-112.
