More Horsepower. The Accel Super Coil On Plug Kit makes more power then the wimpy stock em factory coils to help produce more horsepower from your modern SOHC modular motor and are a perfect match for stock engines and engines with minor performance upgrades.

Superior Design. Accel coils feature an advanced bobbin technology, highly specialized silicone magnetic steel cores, along with optimized winding, resistance and turns ratios to delivery 10-15% more energy than the stock OEM coils. More energy equals a hotter spark that burns fuel more completely, releasing all it's potential energy translating into better fuel economy and more power that you can feel.

Installation. This product is easy to install and should take about 1 hour. The straightforward installation process can be accomplished by anyone with minimal mechanical skills.

Warranty. There is a 90-day limited warranty on this product. This warranty period ensures that you receive a product that meets your needs and expectations.

Application. This Accel Super Coil Packs; Yellow fits all 2005-Early 2008 5.4L, 6.8L Ford F-250 Super Duty models.

CA Residents: WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov