In 1973 the rocker box inspection cover changed to the large single oval style and these won't fit

Upgrade your classic British motorcycle's electrical system with the reliable Podtronics Regulator/Rectifier

or TüV) in Germany is an independent laboratory that tests the fatigue strength

FXS 1970-85

2 1/4" deep

Rocker Box Caps / Covers for Triumph Motorcycles 1963 - 1972 - Chrome Vendor_Zodiac In 1973 the rocker boxThese finned, hex rocker box caps fit Triumph motorcycles 1963 all the way through 1972. In 1973 the rocker box inspection cover changed to the large single oval style and these won't fit. Chrome plated, this set of four covers includes sealing washers to keep that shiny motor looking fresh and clean.