The frame and engine cases are 1962. Numbers on frame and cases do not match but both have 1962 model year numbers.
Pics of parts here - http://www.jockeyjournal.com/forum/showthread.php?t=96079
Duplex 3 gallon Gas Tank - $400 - SOLD
1962 Frame, Front - $350 - SOLD
1960-1962 Frame, Rear - $175
TR6 8 bolt Head - $150
1962 TR6SS Crankcases - $250 - SOLD
Inner Primary Cover - $110 - SOLD
Outer Primary Cover - $150 - SOLD
Transmission, very nice - $400
Transmission Mounting Plates - $50
E3304 Manifold - $35
I will list a few more parts for Duplex frame bikes in the next few days. Shipping is separate.