VENTED VALVE COVER FOR DAYTONA ANIMA 150 AND 190 ENGINES.  REDUCES CRANKCASE PRESSURE THEREBY LESS OIL BLOWOUT THROUGH CRANKCASE HOSE AT HIGH RPM. GREAT FOR SM BIKES, AS STOPS THE ENGINE FROM OVER GASSING ITSELF AND THEREFORE KEEPS YOUR CARBY/JETTING CHOICES RUNNING MORE CONSISTENTLY.