Recommended for use with 2011-2015 Mustang GT 5.0L Coyote Supercharger Kit M-6066-MGT525D and M-6066-MGT624D Recommended for use with 2011-2025 Mustang GT vehicles running aftermarket Superchargers One heat range colder than the stock 2011-2025 Mustang GT 5.0L 4V Ti-VCT engine spark plugs One heat range colder than the stock 2011-2020 F150 5.0L engine spark plugs As Used on the 2018 Cobra Jet engine M-6007-SCJ50 Similar performance to M-12405-M50, but with more robust construction for race applications 0.035 plug gap for supercharged applications recommended Sold in set of 8
