All new featuring a magnetic pick-up with the "amplifier" attached to the distributor for "All-In-One" ease of installation. Features a smooth advance curve that starts at 1,000RPM and has a total of 18 degree @ 2,400RPM with 10 degree vacuum advance. Comes ready to install. Works with Stock Ignition Coil or any 12volt Coils with a Primary Coil Resistance of 3-3.4 ohms. Consider a replacement rotor sold on our "We Recommend" tab.