4 stud silvia fitment (twin pot calipers)

lookin for twin pot calipers for my 4 stud 13

u mean 4 pots from an s14/200sx?

or do u mean rear brakes from skyline?

Just buy skyline discs and calipers.
Drill the discs to suite your 4 stud and you'll be sorted.
This is what iv done all round.