3.3TT BOV/ Diverter Valve Bolt Size?

Thwack

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Hi all,
I recently picked up a used pair of BOV's and they came with the adapter but no bolts, and the factory bolts are not long enough, the head is too big to fit in the countersink hole for them. So I'm trying to just source some bolts locally and would prefer to not drive somewhere, pop the hood, remove a bolt and bring it in for sizing.

Anyone happen to know the stock bolt size for the Diverter valves, or for aftemarket BOV's. I'm mainly looking for diameter (probably about an M8?) and thread pitch (assuming coarse?). Long shot, I know, thanks for help!
 
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Welp, for future reference the correct bolt size is M6 x 20mm, preferably with head cap bolts with a hex key head, since theres little room for a socket against the valves.
 
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