66 Dart GT HT Whatsitgonnabe?

Here you go:

http://www.ebay.com/itm/NOS-MOPAR-1...ITS-/190772437362?hash=item2c6aec6172&vxp=mtr

a little pricey but a genuine Mop0ar rebuild kit!

The Ford kits for the Kelsey Hayes calipers are a lot less:

http://www.ebay.com/itm/1965-1966-1...Kit-/400962738205?hash=item5d5b3dd81d&vxp=mtr

or one of the Rock Auto kits!