The Lawn Boy 99-2916 Lawn Mower CD Ignition Package helps provide the electrical spark needed to start and run the engine reliably. This ignition package works with the mower's ignition system to generate and deliver the required electrical energy to the spark plug, supporting proper combustion of the air-fuel mixture. A properly functioning ignition system helps promote easier starti... https://www.wholetoolbox.com/lawn-boy-99-2916-lawn-mower-cd-ignition-package/99-2916.html