ICONIC RBB K24 CNC PORTED CYLINDER HEAD WITH BRONZE VALVE GUIDESIntroducing our amazing Iconic Spec RBB K24 CNC ported cylinder head. We decided to use the RBB cylinder head as they are widely available and come with extra material from factory which gives us lots of options when porting. After testing and with years of experience we have a high flow cylinder head which works amazingly on both the K20 engine and K24 engine. During the porting process our design does not make the intake port massive but instead