Please understand that while we may temporarily lower prices, we generally do not respond to price negotiations. Management Number: #5A293 This is a removed part from a Yamaha SL-550 manufactured around 1976-1979. From a business perspective, parts should have been standardized as much as possible, so it is likely to be a common part with other models. Based on our review of catalogs, we believe it is compatible with the following models manufactured around the same time. (In addition, it may have been installed/used in other models manufactured around the same time.) SL380/SL400S/SL430/SL450S/SL500/SL500S/SL550/SL550S/SL600S/SL700S/SL800S We have cleaned and polished the item with polishing agents before listing, but it may not be completely free of dirt. For free shipping, we may change the shipping method at our discretion.