68 Barracuda front disc brake conversion and suspension upgrade

rfdfyrmed said
I have a question regarding the lower ball joints. I am using my OE knuckle for the disc brake conversion. Do I order the lower ball joint for drum brakes? Are they the same size for drum and disc? Or does it matter? Are they different sizes BJ?

68 Barracuda
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You need to use the ball joint that's correct for the spindles you're using.

There are differences between the lower ball joints for 9" drum spindles, KH disk spindles, and 73+ disk spindles.