which brake kit

the reason i ask about offset from stock i dont want to change my wheels if i go to a drop spindle i put disc on this car 3 yrs ago put my wheels .750 out from stock the tires hit my finders sometimes while turning i saw where the kit 5557 cbkd puts them .125 from stock is that right? if so that i s what i need. what do you think. what size rotors is in that kit? would like to go with big rotors have 17 inch wheels

Yes, These are narrower then the stock kits by over 1/8" per side. They will work with a 15" or larger disc brake wheels. Sounds like it should be a nice fit.