For over thirty years, the Ignitor has proven itself in applications ranging from race cars to tractors. The Ignitor replaces breaker point and troublesome factory electronic ignitions with a dependable, self contained and maintenance free electronic ignition system. The Ignitor has been called the "stealth" ignition because of its quick installation and nearly undetectable presence under your distributor cap.Features Operating Voltage: 8-V to 16-V DC. Temperature Range: -50 to 300F. RPM Range: 0 to 15,000 RPM. Can be used with most point-type coils, optimal performance achieved when used with our Flame-Thrower 40,000 volt coil. 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. A solid-state electronic ignition system. "Never change points again!" PerTronix 2847 Ignitor Bosch 4 cyl. Delivers twice the voltage to the spark plugs, increasing horsepower, fuel economy, and spark plug life. 2:1 improvement over points in current fall time for increased coil output. Rotating cobalt magnets trigger a Hall Effect integrated circuit . ...no points to burn, ...no moving parts to wear out. Epoxy molding makes our module impervious to dirt, oil, grease and moisture. Fits entirely inside the distributor. No "black box to clutter the engine compartment. Stable timing ...no need for any adjustments. Will trigger most multi-spark CD ignitions. Available for 6 and 12-volt negative and positive ground systems. Legal in all 50 states and Canada (C.A.R.B. E.O. #D-57-2) PerTronix 2847 Ignitor Bosch 4 cyl. Delivers twice the voltage to the spark plugs, increasing horsepower, fuel economy, and spark plug life. 2:1 improvement over points in current fall time for increased coil output. Rotating cobalt magnets trigger a Hall Effect integrated circuit . ...no points to burn, ...no moving parts to wear out