Description
High Performance Ignition Coils. The Accel SuperCoil Ignition Coils Black 8-Pack are designed to upgrade ignition efficiency for GM LS-based engines. These coils deliver a strong, reliable spark critical for optimal engine performance and improved fuel combustion. They serve as direct replacements that enhance ignition reliability for better throttle response and overall engine operation.
Construction and Appearance. These ignition coils feature silicone magnetic steel cores wrapped with optimized windings to improve magnetic flux. The housings are filled with high temperature epoxy to withstand harsh engine bay conditions including shock, vibration, and chemical exposure. The coil bodies are molded from a high dielectric strength material, finished with a durable black coating that resists wear and environmental factors.
Installation. Installation is straightforward as these units are designed as direct bolt-on replacements requiring no modifications or drilling. They fit directly into factory mounting points, simplifying the upgrade process.
Application. These ignition coils fit a wide range of GM vehicles equipped with LS-series engines, including but not limited to the 2007-2013 6.0L Silverado 2500 HD, providing broad compatibility and optimal ignition performance.
Accel 140043K-8
CA Residents: WARNING: Cancer and Reproductive Harm
- Advanced Bobbin Technology
- Highly Specialized Silicone Magnetic Steel Cores With Optimized Windings
- High Temperature Epoxy Filled Housings Resist Shock, Vibration, Chemicals, And Harsh Engine Bay Environments
- Direct Performance Bolt-On Upgrade
- Bodies Molded In High Dielectric Strength Material
- Fits Multiple GM LS-Series Engines Including 4.8L, 5.3L, 5.7L, 6.0L, 6.2L Across Various Models






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