crankshaft pulley bolt size

[stanger8172]

Of the four bolts holding the crankshaft pulley in, what size fitting is used for the heads of the bolts?:confused: Thanks

[stanger8172]

i am swapping pulleys so what should i use?

[5.0PiMpin]

i used an end wrench , but it was a pain , dont remember the size sorry, i was wondering what other type of tool u can use to take off the pulleys once u put them on, the end wrench aint cutting it no more