CHECK THE GEAR RATIOS ON YOUR OLD GEARS TO ENSURE THIS IS WHAT YOU REQUIRE.
Triumph 650cc Pre or Unit 4 Speed Gearbox Layshaft 4rd Gear 20T 57-1064 T1064
BSA A7 A10 B31 B33 C10 C11 GEARBOX LAYSHAFT BUSH KICKSTART END 67-3099
BSA A7 A10 B31 B33 C1 C11 GEARBOX LAYSHAFT BUSHES PAIR UK MADE 67-3099 65-3337
Triumph Unit 500 Gearbox Rear Set Linkage
TRIUMPH UNIT 350 / 500 GEARBOX MAINSHAFT 57-4039 T4039 T90 T100 1967-74 UNF
TRIUMPH 500 650 750 T100 T120 T140 HEAD BOLT STAND WASHERS (4) 1964-70 - 82-2184
