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What is a better piston WMS piston or namura


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wsm has forged and cast I believe. im assuming your asking about the cast set because they are cheaper. Not much difference between the 2 you mentioned, both are basically stock replicas

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Has anyone actually had both WSM and wiseco pistons in there hand at the same time to compare? I have.

And I'm not running wiseco in my bike. But I'm talking forged.

Regardless cast or forged, both are fine as long as you have the proper clearances.

Neither have 10hp piston skirt porting...would not hit.
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Wiseco is a better piston if you ask me but I have rebuilt bikes with all the pistons we are talking about here for guys who wanted to save some money and have yet to have a issue with any of them. 

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