MSD 6 SERIES HVC-2 COIL -- 100:1 turns ratio, 0.16 ohm primary resistance, 630 ohm secondary resistance, 3.5 mH inductance, 44,000 maximum voltage, 450 mA peak current, 450 uS spark duration, 3.75 lbs W; Designed for high rpm, long duration applications using MSD 6 Series ignition; Comes with new U-core winding design produces more voltage and current; 100:1 turns ratio and lower primary resistance produce high voltage output; Encased windings in fracture resistant compound for vibration resistance; DuPont Rynite housing with isolated tower and brass primary terminals; Supplied with rubber shock mounts; No CARB Exemption Order Number.