This is a (USED) Sterling cast piston (1) 

for a 1958-59 Edsel/Mercury 410 engine. 

It is a Sterling 4.200" +  .030 bore with a 5/64"

top ring, a 3/32 second ring and a 3/16 oil ring.

It comes with a new pin. Please email questions,

but give me time to respond. Don't forget to check

out my store. Have a great day and HAPPY EBAYING!!!!