Moto Tassinari Delta 3 Reed Valve System V351A Snap-together cage uses symmetrical reed petals, eliminating the need for different inner and outer replacement petals Reed tip shape accelerates air mixture, ensuring increased airflow for increased horsepower Innovative design completely eliminates need for screws V-Force 3i reed valve system with integrated intake boot available for noted 85cc models; 3i delivers a straight shot directly into engine cases for more balanced fuel/air distribution, newly designed reed stops for increased reed petal stability and a shorter reed cage for a noticeable performance increase due to lighter reed petals When ordering replacement reeds, order one set per reed cage