Dude, you said the most you'd pay is $10.00 and nobody is going to sell a 4040 Prop Valve for that price. You said you can get one at LKQ for $10.00 or maybe just the $2.00 Entry Fee, so what are you waiting for? Go to LKQ and get one because you're not gonna find it cheaper, matter of fact you should get like 2 or 3 because you can make some easy money off them at $40 each.

If you are serious about buying one I have one for $40.00.