Brand new Fidanza friction plate for their Miata lightweight flywheels. 18-hole version (there is a 20-hole version that FM used for a while), part number 229001. It is brand new and includes the documentation and mounting hardware.
Price is $50/shipped within US obo.
Side 1:

Side 2:

Documentation and Hardware:
Price is $50/shipped within US obo.
Side 1:

Side 2:

Documentation and Hardware:
