Super Stock Universal Coil, Chrome, Maximum Voltage 42000 Volt, Primary Resist 1.Ohm, Secondary Resist 9.2K Ohm, Turn Ratio 94:1. The high-performance alternative to OE canister type coils is ACCEL's super stock. enhances top RPM power, throttle responsiveness, idling, and starting performance. works with OE computers and ignitions. Flash over is avoided by alkyd tower. utilizes OE leads. supplied in chrome. plated with chrome. 42000 Volts. Suitable Up To 6500 RPM.