Joe Hunt Magneto for Triumph Bonneville T140 or T120
From hunt website -
"For late model unit construction Triumph 500, 650 and 750. Joe Hunt introduces this beautiful magneto. Designed and engineered to increase power and RPM, prolong plug life and simplify tuning, this model is completely self contained. Just remove stock point cover and plate and install. Each magneto is individually tested for your specific application."