06-3420 5/8" x 3/8" Norton front sprocket gearbox 23T 23 Tooth Andover

You may also like...

• 
  4 Clutch Cable Spacer set abutment adapter ferrule 500 650 750 Triumph 57-2062 $14.00
• 
  Triumph primary cover gasket 71-7009 joint washer unit 650 750 T120 T140 TR6 TR7 $11.00
• 
  Cable adjusters brake clutch lever Triumph Norton BSA adjuster 99-1031 $21.00
• 
  Kickstart Cotter Pin assembly T120 T140 T150 T160 57-4356 02-2579 57-1222 $14.00