This Compufire Electronic Ignition is the most reliable unit we have ever sold. Entirely made in the USA, it will give you years of trouble free performance. We have tested this ignition in both off-road and street cars over the past few years with great results. Because the unit develops more dwell that a set of points, ignition spark energy is increased. Fits the popular Bosch 009 distributor, and most other VW vacuum distributors. Order yours today!