Any TC members have any input on this item - Fast 170402 Dual O2 Sensors. A friend was asking me regarding it and to be honest I know not much about them. Pros? Cons?
He wants to use it on a Drag Race Only Application to moniter his Air Fuel Ratios. Any other recomendations as to other manufacturers?
Thanks In Advance.

http://tunertools.com/proddetail.asp?prod=FAS-170402

It looks like a nice set up... I just picked up for my street best a single AEM gauge-type uego controller.. I haven't set it up yet but next week its on.

I have them on my motor. Only use so far has been to dial in the motor on the engine stand. In the process of installing everything in the car. So really happy with them, nice tuning aid.

If you haven't already check out the RPM upgrade. Allows you to log A/F to RPM, becomes really useful track tuning tool, imho then.

i had the fast dual channel o2 sensor and hated it. Went to the innovate xd16/lc1 combo and i love it