Vertex Piston 02-18 Yamaha YZ 85 85cc +5mm Cast Big Bore Piston Kit 104cc.

Special Order Item: Delivery times depend on manufacturer fulfillment and carrier performance. Expedited shipping reflects how the order is placed with the manufacturer and does not guarantee delivery dates. However, due to FI Performance’s industry relationships, we may be able to assist with expedited processing when possible. If timing is critical, please call us before ordering at (203) 644-0712.