The AFR gauge + wideband Lambda sensor kit is the essential tool for checking the richness of your engine, optimising your settings and ensuring the safety of your turbo, atmo or E85 preparations.

Quick digital display, simple installation, universal compatibility – a must-have for any performance enthusiast.

This digital AFR pressure gauge lets you read your engine’s Air/Fuel Ratio in real time, essential for precise tuning, optimum combustion and mechanical safety.

The 4-wire wideband lambda sensor, similar to those fitted to modern systems, guarantees accurate, stable and fast measurement, even at high temperatures.

The kit includes an M18x1.5 connector to weld onto your exhaust line, plus a plug to neutralise the orifice if necessary.

Compatible with all common fuels (petrol, SP95/SP98, E85, diesel), it’s the ideal tool for road, drift, rally, track or E85 conversions.

⚙️ Technical specifications :

• Gauge diameter: 52 mm
• Display type: Digital AFR
• AFR reading range: 10:1 → 20:1
• Lambda sensor: Citroën type wide band – 4 wires
• Probe thread: M18 x 1.5
• Max probe temperature: +850°C
• Operating voltage: 9-16V
• Pressure gauge mounting: 52 mm knurled nut
• Electrical connection: plug & play connector
• Fuel compatibility :

• • Petrol SP95 / SP98

  • Ethanol E85

  • Diesel

🧰 Applications :

• 🔧 Turbo engine tuning

• 🏁 Competition vehicles

• 🚗 E85 conversion

• 🛠️ AFR optimisation & diagnostics

• 🔥 Mechanical safety (prevents over-lean mixing)

Product benefits:

✅ Accurate and instant AFR display
✅ High-temperature 4-wire broadband probe
✅ Pro finish + easy installation
✅ Compatible with petrol, diesel and E85
✅ Nozzle + cap included
✅ Universal 12V
✅ Enhanced engine safety
✅ Complete kit ready to fit