We show the spare part 18310-MCJ-G02 under the name "MUFF.COMP.. It is quite possible that you will come across it under a later name. We recommend that you only look at the part number. There is a lot of demand for this product and it is extremely sought after among motorbike enthusiasts. This product can be ready for shipment typically within 5 business days. See the most current stock via the link.