This guard is for cars without protection tubes (non-US spec), 356A T-2 models (1957 thru 1959). Width is 45 mm. It's a high quality reproduction, highly polished and beautifully chrome plated. Studs are pre-installed and guard is ready to mount on the bumper.

Note, this guard can be used on the rear left if a sport muffler is fitted. Otherwise, guard version 644 505 033 00 should be used with exhaust-thru provision.