jomaripretty New Member Joined Feb 7, 2009 Messages 32 Feb 23, 2009 #1 hello i have a head with casting PR3-3 from what head casting is this B16, b18 or what? ty
RagingAngel 本田 Gearing Authority Joined Mar 26, 2008 Messages 2,161 Feb 25, 2009 #2 PR3 makes it a B16A. The combustion chamber should be the open (fully round) type.