Moroso 72358 Moroso 86-96 GM ProCoil F Ignition CoilMoroso 72358 Moroso 86 96 GM ProCoil F Ignition Coil ProCoil F, 1985 96 GM Increased Spark Energy! Bolt In Replacement! Finally, a coil design that gives your ignition system real power. Real ignition power that provides more complete combustion for easier starts, better idle, snappier acceleration, and more horsepower. Real ignition power that eliminates the "6000 RPM barrier" inherent with stock systems. We've combined low oxygen, high conductivity,