This Holley EFI harness kit is designed for GM LS2/LS3/LS7 engines with 58X crank sensors, supplying the clean, constant voltage and solid grounds an EFI system depends on. The kit bundles the main power harness, LS2 main harness, and V8 injector harness needed to support a primary LS EFI system.
Specifications:
- Harness Application: GM LSX (LS2/LS3/LS7)
- Crank Sensor: 58X
- Injector Connector: Jetronic/Minitimer (Bosch)
- Product Type: Harness Kit
- Includes: Main Power Harness, LS2 Main Harness, V-8 Injector Harness
- Compatible with HP and Dominator ECUs
- Part Number: 558-502
A separate ECU and O2 sensor are required to complete this kit.
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 engines does the 558-502 harness kit fit?
It's built for GM LS2, LS3, and LS7 engines equipped with a 58X crank sensor and Bosch injector connectors.
What's included in the kit?
The kit includes the main power harness, LS2 main harness, and V-8 injector harness.
Do I need anything else to complete the system?
Yes, a separate ECU and O2 sensor are required to make this a complete, running EFI system.
Is this harness compliant for street use?
No. It's legal for Racing Use Only vehicles and cannot be installed on an emissions-controlled street vehicle.
