![Granatelli Motor Sports Pro Series Extreme Coil Pack; Black (15-24 V8 Yukon)](https://www.americantrucks.com/image/granatelli-yukon-pro-series-extreme-coil-pack-black-28-0514-1.CC15217.jpg?obj=car&wid=640&hei=480&sharpen=1)
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Description, Q&A
Description. Fits 2014 - Present GM LT Series Vehicles
Works with Current LT1's and LT4's
Direct OEM replacement with a simple plug and play, won't void your factory warranty
Improves fuel economy, throttle response, and idle characteristics.
Increased engine efficiency with improved engine combustion
Gains of up to 12hp have been seen with these coils over stock. The average gain with no other changes is 6 to 8hp on an otherwise stock vehicle. Gains of up to 18hp have been experienced on heavily modified forced induction applications.
Rated at 80K Volts, these coil packs offer nearly twice the voltage over the competition.
Fitment:
Granatelli Motor Sports 28-0514-1
CA Residents: WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov