|ring3963 + 2x ring3892 + ring8459 + 2x ring3923 + FX20858
This kit contains all the seals that you can find in your FX AMP II regulator.
This kit also includes the new brass (long) regulator piston.
The o-rings on the regulator adjustment screw are of a softer type that are easier to fit.
Customers have found these to be more consistent.