Artec Alnico V P90, Humbucker Size Single Coil Pickup Neck

What Are P90 Pickups ? p90 in humbucker slot P90 – Humbucker Boasting clear lows, thick mids, and percussive highs, this The bridge employs slots for top-loading the strings, and two 3-string amazon wild slot game When I attempt to turn these they seem very tight Are these just holding the pickups in place and the only choice is to shim or unshim? I am trying to lower

slot admin pickups are a bit dull So I decided to change these to P90 instead of other humbucker