Upgrade your vehicle’s ignition system with aFe POWER’s SCORCHER High-Performance Ignition Coils – a premium direct replacement for your factory coils. Our high-performance coils have a lower primary resistance than factory units, resulting in a high energy spark that ensures complete combustion from idle to redline. Experience up to 20% more spark energy compared to your factory coils. SCORCHER Ignition Coils keep the pace with the demands of higher RPM ranges and at wide-open throttle, always ensuring your ignition system is performing at its best. When upgrading to our Scorcher High-Performance Ignition Coils, it is recommended to replace your vehicle's spark plugs at the time of install for optimal performance.