Description
High-Output Ignition Coil. The Granatelli Motor Sports Malevolent Series Coil Pack; Black is a premium ignition coil designed to maximize spark energy for 2014 to present GM LT-Series engines. It enhances combustion reliability and performance by delivering a significantly higher voltage than factory coils, resulting in improved horsepower, throttle response, and fuel efficiency. Its direct replacement design makes it an essential upgrade for enthusiasts seeking effortless power gains.
Construction and Appearance. Constructed with durable materials tailored for high output, this coil pack features a sleek black body finish designed to withstand rigorous engine conditions. Its robust build ensures longevity and consistent performance under demanding circumstances, reflecting race-proven technology translated into a street-legal component.
Installation. Installation is straightforward with a plug-and-play design requiring no special tools or drilling. This coil pack allows for easy replacement without voiding factory warranties, suitable for both professional and enthusiast mechanics.
Warranty. The product is backed by a warranty period ensuring quality and reliability.
Application. Fits 2015–2026 V8 Yukon models without exclusions or special installation notes.
Granatelli Motor Sports 28-0514-1M
CA Residents: WARNING: Cancer and Reproductive Harm
- Compatible with 2014–Present GM LT-Series engines, including LT1 and LT4 applications
- Direct OEM replacement with plug-and-play installation
- Rated at 85,000 volts, nearly double the voltage of stock coils
- Delivers average power gains of 6–8 HP on stock vehicles and up to 12 HP
- Forced induction applications can see power gains up to 18 HP
- Improves throttle response and provides a smoother idle
- Enhances fuel efficiency through optimized combustion
- Engineered for enhanced efficiency and cleaner, more reliable power delivery
- Fits 2015–2026 V8 Yukon models






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