FYI ... the Repop Ford Clutch pushrod boots tht seal the hole in the firewall are actually smaller than the original Maverick boots and won't seal properly. Actually they pass right through. I just installed a 68-72 GTO boot today and it fits great. It seals between the last and second to last bulge and will not push through or pull in .... I just trimmed off the rubber flange with the 3 holes in it .. http://www.yearone.com/serverfiles/part.asp?pid=RP32C&c=0&e=0&cat=5&hid=517AC49292 Here is a picture of the GTO boot installed ...