Thread size of stock 6 bolt head bolts?

[mattasi]

Real simple here. Does anyone know the THREAD size of the holes in the block for the head studs. This is a 6bolt motor.


M10x1.25?
M12x1.25?

Thanks in advance.

 

[19Eclipse90]

M12 x 1.25mm pitch.

 

[mattasi]

excellent thank you