Holley EFI GPS Speedometer 553-123

Holley is pleased to announce the continuing evolution of its very successful analog-style gauges with the release of new 3-3/8" and 4-1/2" speedometers and tachometers to complement our 2-1/16" gauge line. These are designed specifically for use with Holley EFI systems or as a standalone unit and available in both black and white face versions. These gauges are compatible with all Terminator, HP, Dominator, and Sniper ECU's, allowing them to be installed in a variety of Holley EFI equipped vehicles.

Features

• For GM LS 4.8/5.3/6.0 Truck Engines with 24x crank reluctor, Transmission Control, and Multec 2 Injectors
• Real-Time fuel map learn, takes the guess work out of tuning your base fuel table.
• High Impedance Injector Drivers will safely power most Stock LS injectors, and Holley EFI Injectors. Injector support chart provided in the instructions (Will not control Low Impedance Injectors)
• All of the new Terminator X Max systems utilize the Bosch LSU 4.9 wideband to relay AFR information to the ECU for accurate reading and precise tuning control.
• On-Board 1bar MAP sensor, is perfect for N/A or Nitrous engine combos. If your combination requires a 2+Bar, we recommend GM 12592525, and our adapter part number 558-416.
• MAP Sensor vacuum hose adapters (1/8th ‚Äö√Ñ√¨ ¬¨¬∫ and 3/16ths)
• 4 Inputs ‚Äö√Ñ√¨ 12v, Ground, 5v, and Frequency, for things such as additional pressure sensors, or activation triggers for nitrous activation, or a trans brake
• 4 Outputs ‚Äö√Ñ√¨ Ground, PWM - , for accessories such as; fans, boost control, nitrous control, IAC Kit, and More
• Boost Control ‚Äö√Ñ√¨ Boost vs Time, Boost vs Gear, Boost vs RPM, Boost vs Speed, Boost Safeties
• Nitrous Control ‚Äö√Ñ√¨ Single Channel of Wet or Dry, Progressive or Non-Progressive, Rich/Lean Safeties, and target Closed Loop AFRadjustable through included 3.5‚Äö√Ñ√π full color touchscreen, base tune easily created via handheld Wizard!
• Advanced Tables ‚Äö√Ñ√¨ 4x 1D Tables, 1x 1D per Gear Table, 4x 2D Tables, 1x 2D per Gear Table, can be used for any custom tables you can dream up, such as Flex Fuel Sensor Offset Table, or a custom fuel or oil pressure safety!
• On-Board Diagnostic LEDS for: ECU Power ‚Äö√Ñ√¨ Engine Run ‚Äö√Ñ√¨ Wideband Status ‚Äö√Ñ√¨ TPS Calibration ‚Äö√Ñ√¨ Crank Signal ‚Äö√Ñ√¨Cam Signal. Allow you to identify any Critical engine issues at a glance
• Includes CAN/USB tuning cable allowing you to configure your ECU and Tuning the engine in real time.
• The compact ECU size allows you to mount it virtually anywhere. Remember, diagnostic LEDS must face up!
• Plug and play compatible with more Holley EFI accessories such as; analog style gauges, shift lights, various modules, and coming soon, 12.3" digital dash support!
• Free EFI Tuning Software for complete control of your Terminator X power plant
• Includes: 24x LS Engine Main Harness - Multec 2 Injector Harness - 4L60E/4L80E Transmission Control Harness - Terminator X MAX ECU - ECU Main Power Harness - Bosch LSU 4.9 Wideband Oxygen Sensor - Input/Output Harness - and assorted vacuum adapters.