Holley EFI Holley EFI GM GEN V GDI Subharness 558-221
Specifications:
| Brand | Holley EFI |
| Emission Code | 4 |
| Harness Application | LT |
| Harness Type | Injector |
| Product Type | Harnesses |
| Warning | California Proposition 65 |
| Description_INV | SUB HARNESS, GM GEN V GDI LATE |
| Description_DES | Holley EFI GM GEN V GDI Subharness |
| Description_EXT | Late LTx Engines |
| Description_MKT | GM GEN V GDI Sub harness for Late LTx Engines. The fuel pressure sensor easily identifies these engines, Late engines use a 3-pin fuel pressure sensor. GM uses two different fuel pressure sensors with the Gen V LTx engines. Depending on which one your engine has, will determine which harness is required. The Sensor is mounted to the back of the driver-side fuel rail. |