BSA Unit Twins Tach Drive Blanking Plate (1) - 42-0166 - 1962-72 / A50 / A65 Type etc) from 1971-1972 - also

etc) from 1971-1972 - also fits very late 1970 models with the 4-speed gearbox and leaf-spring set-up

Fits all Triumph 650 & 750 Unit models (Bonneville

D3923 54937969 or 54956466

06-4118 or 06-3114

Measures 5 3/4" X 3 1/2"

BSA Unit Twins Tach Drive Blanking Plate (1) - 42-0166 - 1962-72 / A50 / A65 Type etc) from 1971-1972 - alsoNew! Just In! BSA Unit Twins CNC Alloy Tachometer Drive Blanking Plate. This is as good as it gets! Machined right here in the USA using the best materials to bring you a precise fit and longevity! Fits various BSA A50 & A65 models (Lightning, Thunderbolt, Hornet, Royal Star, Etc) up to 1972. Please refer to your parts catalog for proper fitment. Made in the USA O. E. M Part number is 42 0166