Thrust pro trim. Different between pump sizes?

[Jcary85]

Hey,
Quick question - is a thrust ez pull trim ring different between 144/148 and 155 versions or is the only difference the nozzles?

 

[ngerk]

I have the EZ flow pro and all it required for the trim ring was different bushings to go from a 144/148 to a 155 nozzle.