Usage Tips:[Perfect]: number: 1281. The ignition is made with a special manufacturing process and epoxy molding makes our modules impervious to dirt, oil, grease and moisture. The ignition kits simply bolt to the distributor in place of the points assembly and provides a much more accurate trigger signal.[Wide Application]: Compatible with 1957-1974 260 289 302 351 352 390 427 V8. (Excludes Y-Block Engines)[And Special]: Delivers twice the voltage to the spark plugs, increasing horsepower, fuel economy, and spark plug life.[Easy Installation]No complicated wiring, can be installed directly.281 Ignition Conversion KitWide Application:Fit for 1957-73 All models V8 (Not for use with solid core spark plug wires)Fit for 1971-72 All models V8 (Canadian models only, Not for use with solid core spark plug wires)Fit for 1957-74 All models V8 (Single point distributor, Not for use with solid core spark plug wires, Ignitor III kit only fits 1960-1974 distributors)Fit for 1957-74 Mercury All models V8 (Single point distributor, Not for use with solid core spark plug wires, Ignitor III kit only fits 1960-1974 distributors)Functional Our modules are molded from epoxy resin and are unaffected by dust, oil, grease and moisture.Products provide twice the voltage, enhanced horsepower, longer spark plug life and increased coil output.Paired with canister coils for optimal performance.Stable timing, easy installation, no adjustment required.Colour:Photo ColorMaterial:MetalPackage Contents:1 x 1281 Ignitor Kit