AFA-4 Multi Channel Wideband System

Professional grade wideband system used by top NASCAR engine builders
  • Ideal for all racing engines running ANY fuel included leaded gas

  • Measures actual air-fuel ratio or lambda. Displays air-fuel ratio for gasoline or methanol.

  • Uses the Bosch LSM-11 sensor which is very lead tolerant.

  • Easy interface to any data logging system. Has optically isolated 0 - 5 volt analog outputs which eliminate ground loop and ground elevation errors.

  • 4 Channel controller greatly simplifies installation.

  • Accuracy is better than +/- 0.1 AFR over the full range. Repeatability is better than .05%. Response time .02 seconds.

  • Has 0 - 5 volt linear outputs (for both channels) which are compatible with virtually any data logging system.

Simple, Accurate, Repeatable, and Reliable!
Ordering info and pricing:
AFA4-4 4 channel kit includes controller, 4 sensors, harnesses, & weld bungs $ 1495
AFA4-6 6 channel kit includes controller, 6 sensors, harnesses, & weld bungs $ 2345
AFA4-8 8 channel kit includes controller, 8sensors, harnesses, & weld bungs $ 2995
Download AFA4 Manual