Alfano A2502 Lambda Probe 4.9 Pack with Controller 

This LSU 4.9 wideband lambda sensor measures the air/fuel ratio at all times, at both low and high engine speeds (RPM). Very useful for quickly finding the best performance from your engine.

Requires 12V DC power supply (battery).

Connects to the black port (BUS) of your ALFANO 7 or to the orange port of Box12.

This pack includes :

• A2503: LSU 4.9 Lambda sensor
• A2504: The probe controller (electronic box)
• A2505: One stainless steel threaded nut for mounting the probe, to be welded onto the exhaust pipe + one bolt (plug).