Keith Black IC744 is available in 4.080 bore
IC745 is .................4.080 bore
and they have several more pistons at that bore along with the correct compression height of 1.465
http://www.kb-silvolite.com/icon/icon.php?action=search&mfg=Chrysler&EngSize=408&RodLen=6.123
IC745 is .................4.080 bore
and they have several more pistons at that bore along with the correct compression height of 1.465
http://www.kb-silvolite.com/icon/icon.php?action=search&mfg=Chrysler&EngSize=408&RodLen=6.123