For years the British motorcycle industry has been plagued with very low quality valve springs
Both are not interchangeable and are different
M Part number is 99-7098 & 54512443
Fits Triumph 650 Unit Twins (Bonneville
Fits BSA A75 Rocket III from 1969-1970
Lucas Contact Breaker / Points Wiring Leads (1) - Choose Lead Application Superblend For years the British motorcycleNew Genuine Lucas contact breaker points leads. Each point lead we offer by Lucas for your Triumph, BSA or Norton comes with the correct black white & or black yellow wire coding along with male bullet connectors.. We stock different leads to fit many applications such as the T150, T120, TR6, T140, T160, A50, A65, B25 and many other models with points in the side casing (4CA, 6CA, 10CA) up to approx 1978. Please refer to your parts catalog for proper