I have a question. i think i might start a project real soon, and I need to know what I should do with the pick ups.... what are the fender p bass pick ups? and are they the same or completely dif?

is there any other pick ups i could sub in for these, because i dont know if i feel like making the pick up hole smaller or bigger or longer or whatever. somoene please help.
-Girl Bassist & Drummer-
Music: Thrash metal, punk, ska, Grunge, old rock, Techno
Pref Bands: Anthrax early Nirvana RHCP Led Zep Fallz Pantera Black Sabbath Operation Ivy Reel Big Fish Misfits Ramones Mudhoney Arctic Monkeys Muse 2 many 2 name