ive bene offered a pickup of a mate for cheap its the SD Little 59 for a strat but its for the bridge and i already have a SD hotrails in there and i love it but i need to cahnge the other 2 pickups in my guitar, if i got it and put it in the neck/middle would it still sound ok ?

also whats the Seymour Duncan JB Jr for strat like?

i tend to play alot of alt rock and punk
Gear :
strat copy (SD Hotrails in bridge, Lil' 59 in Neck)
Orange Dual Terror
Orange PPC112
Pitchblack/SHO Clone/Morley PWA wah