Everything except the panel and plate stickers has been replaced with the latest parts. Buttons: Sanwa buttons Spring: Sanwa 50g Switches: OMRON 50g VX-01-1C23 Turntable: LMT LED: 7KEY → Red, E1~E4 → Blue Soundproofing: putty reinforcement, silicone spray on springs This is a used item that has been in someone else's hands, so there may be scratches and stains due to use and storage. Please understand this before purchasing. Operation has been confirmed on INFINITAS and LR2. We expect to ship on the same day or the next day after purchase (we will pack and ship it in the box that came with the purchase). Thank you.