I have a brand new set of CP pistons. They are 81.5mm bore size and are for a GSR. Compression ratio is 9.8-1 with a GSR head and 9.5-1 with a B16 head. They come in the box with pins locks and spec sheet. Everything that comes when you buy new. I opted for Wiesco rings instead of the CP rings (personal preference). These are also new in sealed packing. Looking to get $400 shipped for the set. Thanks for looking.

 

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