Wr400 Engine cases needed

Found a broken down wr400 in need of a set of cases, anyone know where to find a used set of lower end cases? Thanks

e-Bay...be patient. You are much more likely to find a complete bottom end than just the cases. 426 cases will work as well, but remember the connecting rod small end bearing is bigger on a 426 than the 400 so if you don't plan on swapping the crank, you will have to use a 426 piston and cylinder.

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