We no longer sell these.  they can be found here:

https://www.classicperform.com/Store/1955_1970_Fullsize_Cars/CP412526.htm

These calipers take standard D154 series pads; very common and available in many different pad compositions.  Note the casting is machined so the bleeder is in the correct position and interchangeable with the 10mm banjo inlet port.

Kits that can use these calipers are:

1957-68 Ford Galaxie, Full size

1961-64 Chevrolet Corvair

1961-63 Buick Special, Skylark

1961-63 Oldsmobile F85, Cutlass

1961-63 Pontiac Tempest, LeMans

1965-69 Chevrolet Corvair

Calipers are sold as pairs with pins, bleeders, banjo bolts, copper crush washers and pads.