new disc spindles

The 73 up a body v/8 disc brake spindle is the same only with the 73-74 e body . talking about the 62-74 a, b, and e body's. The early years of b bodies with disc used different bearing, 70-72 b and e disc spindle used different bearing. The 73 up a body disc spindle has same bearing size as 73-74 e body disc. The f body has same bearing size but knuckle itself is designed differently because of rubber biscuits between frame and k-member