[FC] Brake Parts

[The Kidds]

Have the GB on the road after passing my safety inspection.  Getting a 
severe pull to the right under hard braking.  I am going to replace all 
the brake components (cylinders, shoes, hardware) at the same time.  I 
understand the GB parts cross reference to a 60's chev pickup.  Can 
someone provide a year and model so my local parts guys have somewhere 
to start at?  Is there anypart, that I mentioned above, that is from the 
corvair vendors only?