This Knock Sensor Harness is an auxillary support item for Pro Flo 4 Plus Chevrolet LS 3 EFI Systems. This Harness will plug into the Pro Flo 4 Plus Chevrolet LS 3 Main Engine Harness Connector labeled Knock.
This Part Fits:
This Part Fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2004 | Chevrolet | Express 1500 | Base |
| 2004 | Chevrolet | Express 1500 | LS |
