Ignition Coil & Iridium Spark Plugs & Wire Chevrolet Silverado 1500 Legacy (2014-2020) 5.3L 6.2L V8High Output Ignition Coil & Iridium Spark Plug Kit for 2014 2020 Chevrolet Silverado Resolves ignition system failures by delivering a 20 percent increase in spark energy over factory components, ensuring complete combustion for the EcoTec3 V8. The Stock Silverado Ignition Weakness The GM EcoTec3 5. 3L and 6. 2L V8 engines are highly susceptible to under hood heat soak, which progressively degrades the factory ignition coils and spark plug wires. Over
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