Ignitor II by Pertronix, effectively replaces your points and condenser from your Distributor. Works in all Ford Autolite distributors found in 1967-73 Mercury Cougar and V8 Mustangs with single point distributors. This is also called an electronic ignition conversion. Adaptive Dwell Control - Dwell increases with RPM to provide an average of 4 times the available energy between 3000 and 5000 RPM and twice the available voltage at the plug. -50F To 300F Working Temperature Range, 0-15,000 Rpm Range, This Easy To Install And Maintenance Free Electronic Ignition System Features Solid-State Electronics And Rotating Cobalt Magnets Which Triggers Hall Effect Integrated Circuit, It Doubles Voltage Delivery To Spark Plugs, Provides A 2:1 Improvement Over Point Type System In Current Fall Time, Has Stable Timing, Fits Inside The Distributor, Compatible With 12-Volt Negative Ground Systems, Deterioration Free Due To Electronics Molded In Epoxy, Performs Optimally When Used With 40,000 Volts Flame-Thrower Coil, Includes Manufacturer's Limited 30 Month Warranty. Click here for a quick installation video.