Well ill be damed. Went of to buy a few 12 mm long sockets to machine down to the OD 16.7 mm same as the 11 mm sockets. Gave them to the engineering shop only to get a call 10 minutes later with them saying what machining do you need done ? Why i said and the responce was they are already 16.7 mm ................................ There you go.
Everyone go out and get the ARP bolts
