The z fuel pump and the yt175 fuel pump are alike except one has a straight barb coming from it and one has a 90degree barb coming from it. I used a rebuild kit from a z to redo my yt175 pump. You could also just switch the pump tops back and forth to work as well as all the bolt holes and such line up.
Nicholson 500x (Project)
Nicholson 185s
Nicholson 110 (That takes an atc70 tank)
Ascott 500 head/350x (Project)
Homebuilt Racer Chromoly Suspension 110 (Ragin Runt)
PK Racing Suspension 70
A+ Inc Suspension 70
AWS Aluminum 90 frame
Hi Performance ATC Suspension frame rd350
Hi Performance ATC Suspension frame 90