Long reed stops added to progressively slow petal tip velocity, for increased petal durability. Pre-curved reed petal ensures better seal at tip. Pair (2 pcs) yamaha banshee v force 4 reed valve yamaha yfz 350 v4144-2 this item is in the category ebay motors\parts & accessories\atv, side-by-side & utv parts & accessories\air intake & fuel delivery\other air intake & fuel delivery.