Here's a couple links to check out for those who can afford to have it done. Get your classic Jag rebuilt by Jaguar and even parts remade by the original tool dies or even the original builder.
http://www.jaguar.com/about-jaguar/j...sic/index.html

...and here's an article about Jaguar and other manufacturer's who will rebuild your classic ride... http://www.msn.com/en-us/autos/class...d=edgsp#page=1