Will I break this crank?

Rat Bastid said
The cost between a cast and forged crank is much less if you internally balance the cast crank (they should be internally balanced). Otherwise you have to live with external balancing and I won’t get into how bad that is. But it’s a bad idea. Just like removing the center counterweights. It was not because it was a good idea, but it’s because it made the bean counters happy.
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Cast crank, internal balance $432.82;

SCAT Engine Components 9-360-3580-6123 Scat Cast Crankshafts | Summit Racing

SCAT Engine Components 9-360-3580-6123 - Scat Cast Crankshafts
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Part Number: SCA-936010

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Overview
Brand:
SCAT Engine Components
Manufacturer's Part Number:
9-360-3580-6123
Part Type:
Crankshafts
Product Line:
Scat Cast Crankshafts
Summit Racing Part Number:
SCA-936010
UPC:
846091048039
Rear Main Seal Style:
2-piece
Engine Stroke (in.):
3.580 in.
Crankshaft Material:
Cast steel
Engine Balance:
Internal
Lightened:
No
Requires Narrow Bearings:
No
Rod Bearings Included:
No
Main Bearings Included:
No
Rod Journal Diameter (in.):
2.125 in.
Crankshaft Snout Style:
Standard
Quantity:
Sold individually.
Scat Cast Crankshafts

These Scat cast crankshafts are perfect for mildly built street engines or just to replace stock crankshafts that have seen better days. These Scat crankshafts are precision-ground and micro-polished to exacting tolerances.