Midwest Eurosport had one made for a customers SPEC 911.
They used the factory targa glass to have one made.
I believe it was Five Star who made it.
Eurosport - The Midwest's Largest Porsche Specialty Repair Shop
Brian Weathered is the owner and can point you in the right direction.
He said they( Five Star?) made a mold, so it should be straight forward to get one made.
I was just racing against this car at Sebring, so I know it exists...
