document.writeln('
8-valve
'); document.writeln('
a SOHC'); document.writeln('engine having'); document.writeln('one intake'); document.writeln('valve and one'); document.writeln('exhaust'); document.writeln('valve per'); document.writeln('cylinder; the'); document.writeln('TI,'); document.writeln('TII, and'); document.writeln('TIV engines, as well as the'); document.writeln('normally-aspirated engines,'); document.writeln('are 8-valve designs; see also'); document.writeln('16-valve and'); document.writeln('DOHC
');