This Holley EFI injector harness is built for LS engines using Multec 2 style injectors on early truck applications, providing a clean, direct-fit wiring connection for the fuel injectors.
Specifications:
- Type: Injector harness, Multec 2 style
- Application: LS, early truck
- Harness Application: Universal
- Part Number: 558-214
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 injector style is this harness built for?
It's designed for Multec 2 style fuel injectors used on early LS truck applications.
Can this harness be installed on a street emissions vehicle?
No. This part is designated for Racing Use Only vehicles and cannot legally be installed on an Emissions Controlled Vehicle.
What engine platform is this harness for?
It's built for GM LS engines using the early truck Multec 2 injector configuration.

