Engineered with advanced bobbin technology, high turns ratio windings encased in a protective polyurethane compound for higher energy and voltage outputs. Results in quicker starts, improved idle quality, crisper throttle response and cleaner high RPM power. These coils are compatible with OEM ignition and capacitive discharge ignition systems. Coil comes complete with vibration mounts and terminals for easy installation.Coil Specifications Turns ratio: 70:1 Primary resistance: .355 ohms Secondary resistance: 4.4K ohmsInductance: 6.9 mHMaximum voltage: 40,000 VoltsPeak Current: 300 MaSpark Duration: 220 uS