it is 1mm thick, goes under the valve spring (between spring and head). it is NOT a valve spring shim, retainer, seat. its from a ka24de head. just so yall know. here is a pic if any of you guys can help me out. im in need of this one part BAD!!!


^^^Yup. It goes right below the valve spring. I might have a couple laying around....StryfeS13 wrote:It's a spring seat