Accel 140021 Super Coil for 91-99 Jeep Wrangler YJ, TJ & Cherokee XJ

Engineered with optimized low resistance, high turns ratio windings around an M36 high silicone magnetic steel C-core for higher energy and voltage outputs. The result is quicker starts, improved idle quality, crisper throttle response and more high RPM power. Note: 98-99 Jeep Wrangler TJ requires Adapter Harness which is sold separate. Learn More Now in black casing with aluminum connectors. Direct bolt-in, plug-in replacement. Can also work with an ACCEL, Mallory, Crane, Holly or MSD capacitive discharge ignition systems. Special high temperature epoxy resists shock & vibration, while increasing thermal conductivity. 98-99 Jeep Wrangler TJ requires Adapter Harness which is sold separate. Specifications: 10 - 15% More Energy Maximum Voltage - 42,000 Volts Primary Resistance - 1.0 Ohms Secondary Resistance - 12.7 k Ohms Turns Ratio - 76:1 Peak Increase in Arc Duration vs. OEM = 23% Peak Increase in Dwell vs. OEM = 36% Peak Increase in Current vs. OEM = 17% Installation Note