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Better materials mean higher strength. Among small-block Chevy cranks, a stock iron crank may be fine for a mild performance build, but you'd be pressing your luck if big power is part of the plan. A forged 4340 crank, such as the Callies piece (right) will handle about as much power as your parts list can muster. Budget racers often push a crank's limits. When it comes to speed, it's a matter of how much you want to spend versus how much you want to push your luck. View Related Article
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