An ignition coil/spark coil is an induction coil in an automobile's ignition system that transforms the battery's low voltage to the thousands of volts needed to create an electric spark in the spark plugs to ignite the fuel. The amount of energy in the spark required to ignite the air-fuel mixture varies depending on the pressure and composition of the mixture, and on the speed of the engine. An ignition coil consists of a laminated iron core surrounded by two coils of copper wire.
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8 Ignition Coil Packs Compatible for Chevy Tahoe compatible for Hummer H2 compatible for GMC Yukon
Compatible for GMC Sierra C3 C1251 Round 8pcs Ignition Coil packs compatible for Chevrolet SSR 5.3L