I have two sets for z400 rear hubs asking 30 for each set plus shipping.
I also have some zilla parts I am getting rid of all prices don't include shipping: seat with a good cover no rips  $50 , gas tank with q mod petcock $40 ,front caliper $30, older front works front shocks that need to be rebuilt $75, 87 front a-arms with tie rods,front hub and spindles $100, rear fender supports 15, complete rear brake but the bleeder is broke but doesn't leak $30, good radiator with overflow tank $35, just serviced rear elka shock  $300, good stock front shocks $30, 87 zilla  intake boot with vforce reed cage with spacer for $100, front bumper $10.

What is the difference with your Q mod petcock versus a stock one? And did you sell the v force reed cage?