Gauges and Electronics

Terminal Block, 12 Wire, Boot / Cover, Black, Kit

Take control of your LS engine with Terminator X! Don't settle for a junkyard ECU with a cumbersome tuning interface when you can have complete control of your engine, self-learning fuel strategies and the proven, race-winning technology of Holley EFI at...

Take control of your LS engine with Terminator X Max! Don't settle for a junkyard ECU with a cumbersome tuning interface when you can have complete control of your engine, self-learning fuel strategies and the proven, race-winning technology of Holley...

Take control of your LS engine with Terminator X! Don't settle for a junkyard ECU with a cumbersome tuning interface when you can have complete control of your engine, self-learning fuel strategies and the proven, race-winning technology of Holley EFI at...

This harness provides a plug and play upgrade solution for those seeking to convert to Coil-On-Plug. Additionally we have pre-installed a Power Tap for easy access to 12v, 5v Reference, and Sensor Grounds. Features: Built in C-O-P Harness Additional 40...

This QuickCar Fuel Pressure Warning Light Kit features a Green Lens and a Sending Unit that is pre-set to activate at 4 PSI and lower. All wiring included. Sold as one complete kit.

QuickCar's Oil Pressure Warning Light Kit features a Red Lens and a sending unit that is pre-set to activate at 20 PSI or lower. All wiring included. Sold as one complete kit.  

This QuickCar Water Temperature Warning Light Kit features a Blue Lens and a sending unit that is pre-set to activate at 235°F degrees or higher. All wiring included. Sold as one complete kit.

Fitting, Adapter, Straight, 5/8-18 in Female to 3/8 in NPT Male, Aluminum, Black Anodize, Mechanical Temperature Gauges, Each