If you need a good clutch holding tool this is the one used in the haynes manual, it worked for me
Motion pro part number 08-0008
UK distributor around £ 22.00 inc postage
Allen's Performance R&D
Unit B9, Moorbridge Road
Bingham, Nottingham NG13-8GG
Phone: 011-44-1949-836-733
Fax: 011-44-1949-836-734