Yamaha RD400 , 1976 / 1977 / 1978 crankcase set , Part # 1A1-15100-01-00
US$249.99
Original Yamaha Crankcase Set
Removed from 1977 RD400D
Will work with the 1976 to 1978 RD400's
Cross reference fitment has been confirmed via a purchased cross reference program.
Study photos carefully, you get what you see.