Send the original to Kirk Racing in Alabama, they will make you an exact copy. It won't be cheap necessarily, but it will be high quality, and I am still amazed how they fit perfectly back in the car. I have had a few done over the years.

Mailing Address:
Kirk Racing Products
P.O. Box 249
Mount Olive, Al 35117

Shipping Address:
Kirk Racing Products
1112 Hodges Drive
Mount Olive, AL 35117

Phone:
205-608-1156
205-608-1441 (fax)