Mushroom Head Tappet Adjusters - Choose Make / Model / Year Make - Model - Year:Triumph / BSA - Triples (1968-73 - Short Type) - Allen Key End Type Also fits Triumph 650 &

Also fits Triumph 650 & 750 Unit Twins (Bonneville

there may be some slight pitting

All Lucas 31563 switches come with a vibrant chrome finish

Measures 1

Mushroom Head Tappet Adjusters - Choose Make / Model / Year Make - Model - Year:Triumph / BSA - Triples (1968-73 - Short Type) - Allen Key End Type Also fits Triumph 650 &Have you took apart your top end and noticed the ends of your valve tips have wear marks from the tappet adjusters? Although that is normal wear from usage the factory could have designed some better tappet adjusters. The problem The problem with the old style tappet adjusters is the design of the head. The head is flat and square. It does not contour the valve very well which "digs" into the valve stem and over time causing your valve stem to wear