FF F3 Clutch outer ring for?

A left over part from an unknown brand F3 clutch used in a 98 Van Diemen Formula Ford. 8-5/16" OD, 14mm thick.

I'm sure someone can tell me what clutch brand this is for, please do.

$30 shipped CONUS, PayPal OK (preferred, no fee).

Tom Duncan
tomd@oddog.com

Attached Images

DSC_6221.jpg (79.7 KB)

FF F3 Clutch outer ring for?