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Discussion Starter #1
Hey everyone I am going to need to rebuild my block an I am going 20 over on the bore but where can I get replacement pistons that are not forged. Autocross allows rebore an the pistons can be aftermarket but cannot be lighter or give any performance so that is where I am at cause forged pistons are lighter an usually on n/a pistons they are higher comp ratio. If anyone can help it would be greatly appreciated
 

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going 20 over increases size so there is more wieght but lowering comp might help to equal out
 

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Discussion Starter #4
What exactly do you mean by nippon's you mean like nippon denso? if so where can I get them?
 

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Nippon is a company who specializes in OEM replacement pistons.. You should get yourself a good set of P29's :)
 

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Discussion Starter #6
Aren't the p29's a domed version of the zc pistons? I need something that is the same as a6 but larger cause in my auto-x class I cannot have anything that gives performance like domed pistons
 
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