This part was stored indoors in warehouse - from vintage bike shop that closed down 30 years ago.  Just now going thru some of the parts.

For sale is ONE exhaust valve, marked V27.  It is for the following:

EXHAUST VALVE NORTON MANXMAN 88, 99, 650 (1960-66), ATLAS (1964-66) - V27 T2204    AJS/Matchless/Norton.  AJS 33, 33CRS, Matchless G15, G15CSR, Norton Manxman 88, 99, 650 (1960-66), Atlas (1964-66) Exhaust Valve (Alpha valve no. V27).  AJS 33, 33CRS  Matchless G15, G15CSR  Norton Manxman, 88, 99 650cc (60-66), Atlas (64-66)

Online specs: (see pics with actual measurements).

Head Diameter: 1.312
Stem Diameter: 0.3100
Length: 3.920

This auction is for ONE valve, in package.  At start of sale I had 40 of these, so if you want more than one, just specify how many you want.  

Thanks for looking, and good luck bidding !

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