This listing is for one 8170 ring for the power head on the Gribaldi Salvia Sickle Bar Mower. Fits older model 72, 2401 and 394 sickle bar mowers. Please reference position 25 in the exploded view of the mower. We also have other parts for this sickle bar mower available in our eBay store We sell many replacement parts for the most manufacturers of tillers, finish mowers, spreaders, 3-point hitch hay tedders and sickle bar mowers. If you don't see the parts you need listed please contact us we would love to earn your business. We are listing new items frequently so please check our store often. Part Number: 8170 We stock a wide variety of replacement parts for Agricultural Equipment please contact us if you have any questions or if you would like more information.