Holley EFI GM GEN V GDI Subharness 558-221
Type: Harnesses | Fits: GM
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.
Specs:
- Brand: Holley EFI
- Category: Air and Fuel Delivery
- Emission Code: 4
- Harness Application: LT
- Harness Type: Injector
- Part Type: Fuel Injection Harness
- Product Type: Harnesses
- Sub Category: Wire, Cable and Related Components
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These parts should be installed by qualified professional mechanics. Improper installation can cause performance issues or vehicle damage. Unless a product page explicitly states otherwise, installation instructions are not included. Components are designed for users with solid mechanical knowledge, and minor adjustments or modifications may be required for proper fitment. Returns or refunds cannot be accepted due to difficulty completing an installation or the absence of instructions. - Warranty Impact
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