[AJD] can I use the 820 exaust valve in my D?

[Eric LaCruze]

I asked my cousin exactly what he did, here's his response.

Eric

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Eric,  I had a set of valves from a later model D cut down to use in my 
'28 D.  I don't remember off hand what the serial # break is,but the 
later d valves have about a 1" or 1.5" longer stem but are otherwise 
dimensionally the same.   The original shorter valves for the '28 are 
(or were) still available from deere, but you can find a nice used set 
of the later ones for a fraction of the price.