The trademarks “Lucas” and the Diagonal Device are owned by Lucas Industries LimitedTop Quality Genuine New Lucas Triumph Twins Rear Tail Light Wiring Harness Lead. If your restoring your Triumph back to factory standards then you will need this harness! Comes with the correct bullet connectors, Molded end, PVC wire, PVC Sheath & Wire color! Measures 37″ in length. Fits many Triumph 350, 500 & 650 Unit Twins (Bonneville, T120, Tiger, TR6, T90, Daytona, T100, Etc) that require this harness. Please refer to your parts catalog for proper fitment. *****Always check your parts book to ensure that this part is correct for your application!*****Lucas BrandO.E.M Part number is 838604