Universal HPC/HCV Race 12V High Output External Male E-Core Ignition Coil - Red forcing your rear tires to

forcing your rear tires to turn at the same speed

thick flanges that are heavy enough to maintain header integrity

We made our own upgraded versions

Bearing wear is dramatically reduced and the fatigue strength is greatly improved

They extend the life of your air filter element

Universal HPC/HCV Race 12V High Output External Male E-Core Ignition Coil - Red forcing your rear tires toSpeedmaster HPC ignition coils are designed for high rpm, long duration applications. Windings are encased in a durable epoxy and secured with extruded brackets. They also feature a spark plug style terminal and a threaded brass primary stud. They are supplied with rubber shock mounts to help them resist coil vibration.