80 bigger brakes

[malibu43]

Hi there,am jorge from chile.
Maybe theres a lots of answer to my question,but i dont know how to fit bigger front discs to my 80 bu,without changing the upper control arms,and what are the parts do i need it,please try to be very clear(no body types because i dont know all the types of bodys)
thanks again

 

[axisg]

slightly larger brakes are on the 1998-2003 Chev Blazer. They use a dual piston caliper for better clamping force and will use the stock upper and lower control arms. You need the spindle and all the brakes from the donor vehicle but 2wd only.