I have a pair of KH 4 piston cailpers for sale they might beable to be rebuilt but one has a broke pad hold down fastner bolt that I tired to remove and ended up drilling through and I honestly don't think it can be used but I'm no expert but they're good for cores
I'm located in Mich 49234
$50 plus shipping pm me if your interested
I'm located in Mich 49234
$50 plus shipping pm me if your interested
