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Edit: Would the 8.8:1 CR be considered custom, I see they only shelf stock 9.3:1 for the 4G64...
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Yea, those are custom pistons. The only shelf item pistons for the 7-bolt 4G64 9.3:1 compression.
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Do you want to check on the price for those .060" over pistons? If it isn't a ton more I will still go with them. They should be part #K564M88. 87mm is only a 2.378L vs. a 2.433L for the 88mm. That is a 2% increase in displacement
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The only K564M part#s are K564M865 and K564M87. The larger bores woudl have to be custom made. You would have to get a headgasket made for that bore also.
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Actually, I believe you'll need the Wiseco part # K559M88. I ordered the 564's last time I did my motor and the pin diameter didn't work with the Eagles.
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He is looking for 4G64 pistons not 4G63...
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