Features: Delivers Twice The Voltage To The Spark Plugs, Increasing Horsepower, Fuel Economy, And Spark Plug Life. 2:1 Improvement Over "Points" In Current Fall Time For Increased Coil Output. Rotating Cobalt Magnets Trigger A Hall Effect Integrated Circuit; No Points To Burn; No Moving Parts To Wear Out. Epoxy Molding Makes Our Module Impervious To Dirt, Oil, Grease And Moisture. Stable Timing; No Need For Any Adjustments. Pair With A Flame Thrower Canister Coil For Optimal Performance