<center><img src="http://www.ecstuning.com/audi%20mania/s4s6fuelregulator.JPG"></center><p>

And I don't recall any noticable markings on mine that would identify the manufacturer.

I think that Rob K. found a cheaper alternative somewhere but I'm not sure what it was.

Scott

as a 4 bar due to spring size (little larger than a 3 bar). Looks like they'd take about 2 hours to make all-told but I'm having a hard time finding a good price on stock units, even in quantity.

you can see it on yours when mounted in the car or spin it by hand til you can. On the adjustable one it's still there under the epoxied-on adjustment sleeve.

from a 1.8t. Paid around 50$ new for it. I needed to lower the fuel pressure to make it easier to tune the idle with 550cc injectors.