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Holley 534-51 - Holley Air/Fuel Ratio Monitors

Holley 534-51 - Holley Air/Fuel Ratio Monitors

Holley#510-534-51

Rich/Lean Indicator
  • Sensor Included

    Holley 534-51 - Holley Air/Fuel Ratio Monitors Details

    Air/Fuel Ratio Monitors

  • Mounts On Dash
  • Monitor Air/Fuel Ratio Of Your Engine
  • Enables More Exact Tuning

  • Holley 534-51 - Holley Air/Fuel Ratio Monitors

    Monitor the air fuel ratio while you drive or while your fine tuning the engine! Part #510-534-51 is supplied with an oxygen sensor and is designed for carbureted, non-sensor equipped vehicles. Part #510-534-50 does not come with an oxygen sensor and is designed for vehicles already equipped with an O2 sensor. Both versions allow you to immediately see the effects of tuning adjustments made on your vehicle.

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