Fredrik Gustavsson wrote: > How long are the stock cylinder heads bolts and how deep in the block are > they when installed? > I need to know this before I start to fabricate the torque plate. > 1/2-13 x 4-5/16 is the size and length of the 351C head bolts. I have no idea how far they thread into the block. As Jack would say... Good luck. Cheers, -dt