hello guys,another cylinder head score today.could anyone help me ID these.#3946074 and #14011077.
both sets are aluminum with" winters" casting marks.
thanks in advance,scott

 

Those are both BBC heads. Looks like a set of late model and early model chevys.

#14011077 years=1989-94 CID= 454
Intake Valve size(in.) =2.19 Exhaust Valve size(in.) =1.88 Chamber type=Open Cylinder CC= 118

#3946074 years= 1969-71 CID= 396/402 454('72)
Intake Valve size(in.)2.19 Exhaust Valve size(in.) =1.88 Chamber type= Open Cylinder CC= 118