TT 250 / Hawk Master Cylinder

[pcspecialist]

RogerWFarrier posted about a better master cylinder in another thread but never mentioned where he purchased it. I've tried to contact him but he hasn't responded. Do any of you know where to purchase the one he did? Here's his post about it:
http://www.chinariders.net/showpost.php?p=254510&postcount=158

[pcspecialist]

I spent another 40 minutes looking for it and found what looks to be it:

https://www.amazon.com/Cylinder-Motorcycle-Scooter-FourTrax-Kawasaki/dp/B01B1BNQTS