I have a set of 85mm cosworth 4g63 piston rings they are new in box. I was thinking I could use them on my wiseco piston and I found out that they will NOT work. I got them from bursethracing.com. (part number PR7317) Cosworth 85mm Performance Piston Ring Set Mitsubishi EVO 2.0L 4G63 01-07 I am asking $110 for them
