Yes, you're cutting for positive seals.
Theres another that cuts down that raised inner spring pad to locate a inner / double spring AND in the process you can cut the spring pad deeper.
Comp 4719
Howard 92070
For up to1.55 spring .630 inner
92062 is 1.44 you can find others.
Thanks I will check those out I appreciate it as always! You have been a great help in my learning process! Do you know if those will fit the arbor I already have?