holy piston!

twancsi

Rookie
okay i found out why there was no compression in my left cylinder of my 1972 CB 360. the previous owner overheated the engine and it left a hole in a piston!

i couldnt believe it myself. but now i all i have to do is take a piston out of my other "parted" out engine. But on the piston from the parts engine says:
^ and the one with the hole says: ^
12 8

what does the number with the arrow above it mean?:confused:
 
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