Performance online disc brake conversion kit

A lot of these kits are junk. In my opinion, stay with the more well known suppliers that are road proven and have availibility of spare parts and support. Wilwood, SSBC, Dr.Diff, etc.. are reputable suppliers. A little more expensive perhaps, but, you get what you paid for.

SSBC was considered reliable until they went belly up, stiffing customers, vendors, and employees out of millions in parts, money, and benefits owed.
They are now reopened in a new location couple of miles away from their previous buildings, having never made restitution.
The only way I would buy from them is if I needed their proprietary replacement parts for a kit I already had installed.

For any A-Body brake upgrade, there's no reason to make your first stop anywhere but at Dr. Diff's.