Prestolite V8 Ignitor Electronic Ignition Kit | Pertronix 1581LS Conversion kit for replacing ignition points with electronic module in Prestolite V8 distributors with clip down or screw down distributor cap. Ignition conversion kit for 12v Prestolite point ignition Doubles the voltage to the spark plugs for better combustion and longer spark plug life Fits for both clip down and screw down V8 Prestolite distributors Provides stable timing and no need for adjustment like conventional points Epoxy molded and sealed from the dirt, oil, grease or moisture Works as a trigger for most CD ignition systems 30 month warranty