This is the message i got from Stewart Wilkins today.
Hello Mark Yes we sell cam tower shims they are 0.9mm thick and have them in stock.Regards Tim
So that should help you out Kerry
Stewart Wilkins Motorsport
6/16 Wingate Rd
Mulgrave
Sydney
New South Wales
Australia
2756
Phone: 02 45772400
Fax: 02 45774299
Company number: 47 002 728 850
http://www.swmotorsport.com.au
http://maps.google.com.au/maps?q=Wingate+Road,+Mulgrave,+New+South+Wales&rls=com.microsoft:en-au:IE-SearchBox&oe=&redir_esc=&um=1&ie=UTF-8&hq=&hnear=Wingate+Rd,+Mulgrave+NSW+2756&gl=au&ei=_uUeTP-JEdCccc7-9MML&sa=X&oi=geocode_result&ct=image&resnum=1&ved=0CBkQ8gEwAA