Tag Archives: Piston Valve “Hpv”

Here’s a real nice KOMET K71 engine.  I believe a Komet K71 and an “HPV” are the same.  There is “BCR” engraved on the top corner fin on the cylinder.  I’m assuming that this engine was blueprinted.  Piston size is 52.55.  Ports look stock.  There … Continue reading →