Bremi/STI coils are manufactured by Bremi Fahrzeug-Elektrik of Germany. Their expertise as an OE manufacturer of ignition coils and windings makes them a leader in the industry. Their OE quality and durable coils are optimized for fast response times and subjected to extensive testing. This results in a high performance product that you can rely on! Coil features; 1) Consistent high voltage output for optimum performance 2) State of the art epoxy injecting procedure which eliminates air pockets and prevents thermal breakdown while also exhibiting high dielectric properties. 3) Expertly wound coils on durable bobbins for long and consistent service life.