I have a set of used JE 12.5:1 high compression 81mm pistons for sale. These pistons comes with the rings pins and clip. They are used but in very good condition. They were used in a b16 for approximately 5,000 miles. They were pulled out to run a different set up. They were bought for $550. Asking price is $450 obo. Je parts number on these pistons are : 242149. These pistons will work in any b series motor. b16, b17 or b18. They will not fit in b20. I'm currently cleaning them up. I will post more pictures soon.