This is a very helpful  and essential item if you are riding or racing or restoring your 1976 1977 1978 YZ400. This kit is specific for these years only. This is new 7pc engine oil seal kit. This is an essential and hard to find item!! You will get both left and right side Crank seals, kick shaft seal, shift shaft seal, clutch pushrod seal and Sprocket output shaft seal. Seal up your engine nicely with new, not 40 year old hard seals.   We only sell the best! That is it! We look forward to doing business.