1 mm washer is for the a spacer on the calipers so it aligns them up straight
alls you want is a 1mm washer but the hole big enough so the caliper bolts fits through
then they are a straight swap
the rear shoes, ive always bought everything at the back complete like, shoes, cylinders, spring kit do the whole job if it hasnt been done new handbrake cable aswell
but thats me
if you have a haynes manual the the rear shoes are easy as its step by step instructions for the rear drums
car doesnt have abs does it?