Don't just rebuild your calipers, upgrade them.
Caliper restoration set for Rear of Maserati:
3500 GT & 5000 GT 1961-1965
2 316 stainless steel 48mm caliper pistons, made in Canada
4 316 stainless steel 34mm caliper pistons, made in Canada
1 Seal kit, made in the UK
Reference numbers: SP2526, 191206, 191209, 64325873, 64325404
Photo shows only 1 of each piston, you will receive a total of 6 caliper pistons.
This kit is for systems with standard brake fluid. Also available, see drop-down menu, with seals meant for Mineral Base brake fluid systems. Please be certain which system you have before ordering. For XKE 3.8 clutch, no pressure plate.