LUCAS Mag Gear MDGT K2F BTH Triumph 650 750 unit pre-unit Twin Magneto Timing Keihin then this set will work

then this set will work for you

This product is New - copper conductor with Green with yellow stripes Spark Plug Wires woven cloth wire set Triumph T120 TR6 T100 650 500

that is why you find a couple 26TPI CEI threads on bikes built after 1968 because they had already had 10

pedal length is 4 1/4" and spindle is approx 7/8"

LUCAS Mag Gear MDGT K2F BTH Triumph 650 750 unit pre-unit Twin Magneto Timing Keihin then this set will workYou will get a single brand new Lucas Mag Gear for Triumph 650 750 Unit 650 Pre Unit steel manual advance drive gear Condition: NEW Brand: LUCAS Country Region of Manufacture: UK Manufacturer Part Number: 70 3411