450 to 500 hp 4 speed crank choice

448Scamp said

What is a Big clutch? Never heard of that brand before. I’d never use a cast crank. Spend a few extra dollars and get a forged crank.

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Big clutch is an old school term for heavy plate pressure. There's a reason factory used forged cranks in there 4 speed cars. Combine a serious clutch and drag radials it can really stress a crankshaft.