These Genuine GM 12726023 Ignition Coils are factory-spec coil packs sourced as new take-offs from 2014+ GM LT-series engines. Designed for L83, L84, L86, L87, LT1, LT4, L82, L8T, and other Gen V applications, these OEM coils provide the precise spark energy, durability, and operating consistency expected from GM's original ignition system components. Each coil maintains GM's engineered windings, epoxy fill, and terminal configuration to deliver reliable combustion stability under load, during cold starts, and throughout long-term use. Ideal for replacing worn coils, refreshing high-mileage engines, or supporting Gen V performance builds, these coils install directly with factory connectors and mounting hardware for a clean, plug-and-play fit.