Designed for factory installed, Motorcraft dual point distributors, without vacuum advance only. Operating Voltage: 8-V to 16-V DC. Temperature Range: -50 to 300F. RPM Range: 0 to 15,000 RPM.
12-V NEG Ground (some 6-V NEG, 6 & 12-V POS ground kits available). Works great in stock point-type distributors as a trigger for multi-spark CD ignitions, eliminating the need for expensive aftermarket distributors. No complicated wiring makes installation easy.