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The 445's crank is a 9000-Series ductile-iron (nodular) casting from Scat. Note the Mallory metal in the counterweight-Survival has these cranks zero-balanced, so they can use a 390 flexplate or flywheel. As for strength, Survival has run these in engines up to 750 hp with no issues, and since the typical 445 combo usually tops out at around 500 ponies, Barry would consider a forged crank to be overkill. View Related Article
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