http://www.ebay.com/itm/SPEEDOMETER-...#ht_500wt_1169
SPEEDOMETER TACHOMETER INSTRUMENT CLUSTER SPEEDO TACHO R80 BMW R 80RT AIRHEAD 84
(In below average condition and may not even work)
I have bought whole bikes for less, with whole lot better clusters that this. If he gets that, no reason to ever sell another running bike...