This Wilwood stainless-steel caliper piston measures 1.75" diameter by 1.08" depth and is supplied for caliper rebuilds and brake servicing. The stainless finish is noted in the source description; the part is intended to replace worn or damaged pistons to restore proper brake operation. Verify size against your caliper and use appropriate seals and hardware when installing.
Wilwood Piston - 1.75in x 1.08in SS