Spark plugs are integral components for gas-powered internal combustion engines. These diminutive devices create the electric spark that ignites the fuel and air mixture inside your motor. When ignited, that mixture explodes, propelling the pistons up and down, causing the crankshaft to spin, and sending power to your car’s wheels. Spark plugs work by screwing into the engine’s cylinder head on one end and connecting to a series of cables or coil packs on the other end. The cylinder-head-end
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