cervini hood Question

[MyBad70]

ok, i bought a 4 inch bolt on cervini cowl hood.
anyone know right off what size bolts it takes. ive been to 3 parts store and 2 hardware store, and havent got the right set yet.

 

[MAC'n89Blckstng]

have you asked cervinis? I think its a 3/8'' thread. 11mm head