Hate the whole 'Hack' thing... How many times has the 'spring gone ping' and stuck to the magnet on the underside... so here is a P Bass Pickup Fitting Tip... works equally well for J and other pups...
I added a foam off cut to the body, as the foam on the back of the pickups was not thick enough to hold the bobbins in the covers... the pickups were too low and the springs were also getting fully compressed...
Cocktail sticks in the screw holes... Springs on... then pups over the