> L F wrote: > > Boys....a bolt with a 13mm head is not a 13mm bolt. > (buy ya' books and I buy ya' books......) > > Larry > sandiego16v So the question was something along the lines of M8x125 or something? My point was really to not have any one remove the two halves of a waterpump. As for the other answer I'll leave it up to LF. TBerk