SUBARU IMPREZA FRONT BRAKES 2 SETS ?

I HAVE 2 FULL SETS OF FRONT CALIPERS FOR IMPREZA TURBO SET ONE IS COMPLETE WORKING WITH NEW PADS PAINTED RED IN GREAT CONDITION FULLY WORKING NO LEAKS REMOVED FROM MY 1997 UK TURBO SET TWO IS COMPLETE BUT NEEDS NEW PISTON SEALS THE CALIPERS HAVE BEEN FULLY BUFFED AND PREPPED IN BLACK AND WERE REMOVED FROM A 1996 WRX