Ignition Coil SuperCoil SuperCoil; EEC-IV; Primary Resist 0.2 Ohms Secondary 8.8 k Ohms; Turn Ratio 132:1; Max Voltage 48000V; Yellow; SPECIFICATIONS: Peak Increase in Energy: 37% Peak Increase in Voltage: 23% Maximum Voltage: 48,000 Primary Resistance: .200 ohms Secondary Resistance: 8.8K ohms WARNING CA Proposition 65: Yes Color: Yellow Turns Ratio: 132:1 FEATURES: 10-15% More Energy Direct Plug In Replacement Direct OE Fit Advanced Bobbin Technology Highly Specialized Silicone Magnetic Steel Cores Standard Motor Products SMP Fd-478 MSD 5527 These coils feature advanced bobbin technology, highly specialized silicone magnetic steel cores, along with optimized winding, resistance and turns ratios to delivery 10-15 percent more energy than the OEM coils. Specialized high temperature epoxy resists shock and vibration, while increasing thermal conductivity. These are direct plug replacements for OEM coils. They feature bodies and, or secondary towers molded in ACCEL yellow and feature brass secondary contacts (except direct fire coil on plug applications). For more than 40 years, ACCEL has been a leader in performance fuel and ignition systems, proving itself on the racetracks and drag strips of the world - and on the street. With an ever-expanding line of SuperCoils and all the spark plug wires, tune-up kits, and fuel injectors hot rodders have trusted and relied on for years, ACCEL is constantly developing innovative new products designed to push power, speed, and performance to match advancements in automotive technology. Now part of Holley Performance, ACCEL offers a comprehensive selection of performance products, including coils, digital fuel injection systems, fuel injectors, distributors, caps, rotors, ignition wires, spark plugs.