Originally Posted By Sammy
Originally Posted By qwkmopardan
Originally Posted By Sammy
Indy cylinder head liked to push that 588 combo when they had too many Callies 4.625 magnum cranks.


That's where I bought mine.



I meant 557 ci combo, wow, am I losing it? Or maybe I'm dislectic.lol

Lot's of ways to get to 557. Mine was 4.440" bore with a 4.5" stroke.

Jim