Stainless Steel brake caliper pistons for Girling brake calipers, these don't seize when standing - however they do need regular brake fluid changes, serrvicing, etc with new seal kits every few years as do Chrome on mild steel pistons,   

supplied for:

Front Calipers for MkIII & DB4 GT, 1 size of piston, 2 pistons per caliper.

Front Calipers for DBS V8 / AM V8, 2 sizes of piston, 3 pistons per caliper 

Front Calipers for DB5 through to DBS6, 2 sizes of piston, 3 pistons per caliper

Rear Calipers for DB5 to DBS V8 / AM V8 to 77, 2 sizes of piston, 3 pistons per caliper.

Rear Calipers for AM V8 77on, 1 size of piston, 2 pistons per caliper.

Seal kits also supplied.