Seller notes

Top ends for an RD400. Extensively ported and milled. Looking at the port timings I believe these were intended for a road race machine. Cylinder bases and decks have been milled. These will rev to 10k+. Not at all appropriate for a street machine, but with some cut heads and a good set of pipes they should rip. The pistons are for the next oversize, these will need to be bored and honed before use. Pistons are from a YZ175. Can't identify the reed cages but they are larger than stock, and there...

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