Suspension/Steering component difference, Drum vs. Disc

junkyardhero said
drum ball joints utilize smaller attaching bolts.

Looking at that kit in the link, it looks like it uses the 10" drum spindles, so the ball joint wouldn't need to be touched.

When I upgraded mine, I had picked up everything from a 66 formula S, so I had to go with the larger bolts and new ball joint.