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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If you have drum brake spindles, you need the lower ball joints for drum brakes.

Disk spindles and drum spindles use different ball joints, drums use smaller bolts between the lower ball joints and spindles than disks do. The ball joints have no impact on the type brakes themselves, they have to match the spindle being used.