Triumph Pre-Unit Twins "Swing Arm" Black Dual Seat Cover 82-3654 1954-59 6T T110 T120 Fits all BSA Unit 500

Fits all BSA Unit 500 & 650 Unit Twins from 1962-1972

For those looking for the "correct" 31563 Lucas switch we recommend choosing the English made 31563 "screw-on" switch or the EMGO 31563 "screw-on" switch

The best was to figure out what petcock you need is by checking your parts book

6T & T110 from 1960-1962

This screw is used to plug the tachometer drive hole when a tachometer drive is not being used

Triumph Pre-Unit Twins "Swing Arm" Black Dual Seat Cover 82-3654 1954-59 6T T110 T120 Fits all BSA Unit 500New UK Made Triumph "Swing Arm" Pre Unit Twins Dual Black Seat Cover. Features Black sides & White Pipping as O. E. M. Fits Triumph 500 & 650 Pre Unit (T100, T110, 5T, 6T, Bonneville, Tiger, & T120) from 1954 1959 with the "Swinging Arm" Frame!. Please refer to your parts catalog for proper fitment. *****Please note that this Seat Cover may also fit other Pre Unit Twins that are not listed abouve! Check your parts book to ensure that this is the