Looking for a good strong +4 stroker crank

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I'm looking for a good strong stroker crank that will make it through at least one top end guaranteed. A good deal on a new one would be nice as well.

 

I've got this polished ported top end that I've been dying to try out for about 6 months now.

 

And I miss the smell of 2 stroke oil.....I dont even have any grass to weedwack