The 4 has been redesigned from the ground up. One of the most noticeable changes is the full-lenght reed stops. The wider reed cage and a combined 10.5% increase in reed tip area maximizes airflow.A pre-curved reed petal helps ensure a better seal at the tip. PRODUCT TYPE Reed Valve Assembly. 2 - Reed cages with reeds installed. 8 - 6mm-1.00x30mm hex head bolts. 2 - 6mm-1.00 nuts. 2 - 6mm flat washers. The item "Pair (2 Pcs) Banshee V Force 4 Reeds Cages VForce Yamaha YFZ 350 valve four DHL" is in sale since Friday, June 25, 2021. This item is in the category "eBay Motors\Parts & Accessories\ATV, Side-by-Side & UTV Parts & Accessories\Intake & Fuel Systems\Other". The seller is "bloodbrothers" and is located in Johor. This item can be shipped worldwide.