What is the correct socket to use on the K10 cylinder head bolts? They are 12-point hex - a 13mm 6-point hex socket fits with some slack, a 12mm 6-point does not fit and a 13mm 12-point socket just goes round and round. Should I get a 12-point 12mm or is this a Nissan special?
Yep, 12 point 12mm, get the best one you can afford as the middle 3 bolts on the front stick out of the block at the bottom and can be very, very tight.
