Speedo Drive 99-9976.19-9205
Emgo Speedometer Gearbox 2:1.
To fit AJS/Matchless heavyweight twins & singles (hole may require reaming). BSA C15/B25/B44, all years. Norton Dominator & ES2 and Triumph 3TA/5TA, T100 1964-1967, T120/TR6 1964-1966
This gearbox is brand new production and has been carefully hardened to slightly exceed the OEM specifications for increased longevity
 
 
For models fitted with Chronometric type speedo's pre 1966.
Centre Hole size : 3/4"
Ratio 2:1
Smith's No : BG5330/287