Nope, That's Incorrect.
A 73-76 10 inch DRUM brake lower ball joint, is the same thing as a 73-76 DISC brake lower ball joint.
And
1972 and earlier DRUM brake lower ball joints are the same
And
1965 - 72 Kelsey Hayes DISC brake lower ball joints are for disc's, using 9/16 mounting bolts to the spindle.
