MI519 Inner C.V joint is made from 1050 cold forgin steel use for ... customer more than 800 kinds of outer C.V joint, inner C.V joint, C.V axle ,they cover Japanese, korea, USA, China ... , germany ,france carAll the C.V joint kit product by SYP is with 1 year quality ... surface treatment is acceptMore information, please contact us inner C.V joint MI519