This Fuel Injector harness is for use with the following engines when equipped with EV6 style fuel injectors when using a Holley EFI main engine wire harness:
- GM GEN III LS (ONLY WITH AFTERMARKET MANIFOLD)
- GM GEN IV LS
Replaces Holley p/n 558-201.
Meets or exceeds the quality within Original Equipment (OE) harnesses:
- Assembled with the same materials found on production engine harnesses.
- Terminals are crimped with production applicators and/or Rennsteig hand tools to exceed pull test requirements.
- Assembled in the USA