Hh100 Rebuild

No standard bore, the replacement piston fit good. The ring gap was good also, I always check before installing the rings on the piston.
Good deal, Ted. The HH120 I wanted to rebuild back in 2015 was so out of round a BDC that the top ring land was scuffing. Needed to go .020. No pistons available then that was cheaper than just doing a repower.

DAC
 
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