Want to make your Holley install even more seamless? Want to use all your factory sensors?
Send us your Holley 558-128 main harness and we will replace the following connectors with Ford specific connectors.
- Coolant Temperature Sensors
- Intake Air Temperature Sensor
- Throttle Position Sensor
- Idle Air Control
This eliminates the need to splice in your Throttle Position Sensor and lets you keep your factory sensors.
Notice: Holley stock image used.
Holley 558-128 Upgrade
- Brand: M.F. Kustoms, L.L.C.
- Product Code: MFK-HLY-558128-UPG
- Availability: Pre-Order
-
$175.00