Eliminates points and moving parts that wear out while delivering twice the voltage to the spark plugs over stock to increase horsepower fuel economy and plug life!Ignitor is concealed entirely within the distributor so you have no unsight ly black box to clutter up your engine compartment. Easily installs in minutes with no complex wiring is compatible with 12-volt negative ground systems and its smog legal in all 50 states and Canada!It is designed for use with most point-ty pe coils though optimal performance can be achieved when used with our Flame Thrower 40000 volt coil Part #s PX40001 PX40011 or PX40111 (sold separately).Comes with a 30-month warranty. Applications:1957-74 8 cylinder with a Delco single point d istributor{specs}