Front 1/2" Iso through bolts

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Hi guys
Just some conformation please for when you get an "oh dear moment"
Which direction is the front 1/2" ISO through bolt to be inserted .... So the Nyloc nut is on the left or right??
Looking at the timing chest protrusion is it actually possible to get the head of the bolt past it so the nut is on the left??

Nut on the left side. You have to turn the bolt head in just the right position to get it past the timing chest by the tach drive.

Many thanks

06-0432 is not a standard 1/2 bolt it is a special reduced hex head bolt. Reduced because a normal 1/2 bolt head is 3/4 and "will not" pass by the front of the timing chest. Even the reduced 5/8 head usually has to be rotated to clear the edge, as mentioned by PV...