Sadly, even though the host site has it cheaper than say Stoddards (PP - $140 / Stoddards - $153) it is still a decent amount

(but genuine Porsche nonetheless)
Have you trawled through the 'parts for sale' section? FleaBay? The Samba? You never know... It only takes someone to be parting out a LWB long bonnet, and there you go?