123 Ignition distributors

Upgrade your Land Rover with the ultimate high-performance electronic distributor for 2.25L and 2.5L petrol engines.
Compatible with both negative and positive earth vehicles, the 123/TUNE+ takes classic ignition into the 21st century.

Not only does it provide the reliability of electronic ignition, but it also lets you fine-tune your advance curve for maximum performance.
With the free smartphone app, you can monitor key data such as battery voltage, GPS speed, RPM, and engine temperature – all in real time.

And for peace of mind, an integrated anti-theft immobiliser allows you to block the ignition remotely using your phone.

This is the most complete distributor available on the market. Quality has a price – but quality lasts, while the price is soon forgotten.

123/TUNE+ Wireless Programming

Easily set up your ignition system with the free app and a Bluetooth connection.
From your phone or tablet, you can create and store your own perfect advance curve.

The app also lets you adjust ignition timing on the go, displays a full digital dashboard, and adds an advanced immobiliser function to protect your vehicle.

Key Features of the 123/TUNE+ 4-R-V-G

• Auto-detects CW & CCW rotation

• Works with 6V or 12V systems (auto detect)

• Automatic dwell control for optimum spark energy

• Coil current cut-off after 1 second (safety feature)

• Compatible with positive and negative earth systems

• Programmable advance curves (500–8000 rpm)

• Programmable vacuum advance & boost-retard (0–200 kPa / -30 inHg to +15 psi)

• MAP-start feature for vacuum advance control

• Built-in rev limiter with advanced spark control

• Real-time tuning – ideal for road testing or bench setup

What You Can See on Your Phone While Driving

• Engine temperature (°C or °F)

• Manifold pressure / vacuum / boost (Bar, inHg, or Psi)

• Live RPM (0–8000 crankshaft rpm)

• Coil energy measurement

• Total ignition advance (degrees crankshaft)

• Battery voltage

• GPS speed

Coil & Spark Plug Recommendations

Use a coil with a minimum resistance of 1.5 Ohm – with 123Ignition, overheating is no longer an issue.
Standard high-quality single-electrode spark plugs are sufficient.

✨ Take control of your ignition. Optimise performance. Protect your Land Rover.
The 123/TUNE+ is more than just a distributor – it’s a complete upgrade for your classic.