NGK

NGK Spark Plug  BR7EFFor High Boost and High Horsepower setups. Recommended for Forced Induction (18-20 psi) plug on Lightning 99-04, 03-04 Cobra & 07-10 GT-500 (Ea.)

NGK Iridium IX LTR7IX-11 Spark Plugs (Each) Recommended for forced induction vehicles:2011-19 Ford Mustang GT 5.0l (QTY: 8)2015-19 Ford Mustang 2.3l (QTY: 4)2015-19 Ford Mustang GT350 5.2l (QTY:...

NGK, four ranges colder than stock 5.0, 5/8" Hex, .035" gap, projection type for Aluminum heads NGK V-Power® Economical performance and improved ignitability over standard NGK Spark Plugs...

NGK, factory heat range, 5/8 Hex, .054" gap,NGK V-Power® For GT40 Iron heads fitting 5.0L Lowers Ignition System Voltage Requirement Greater Ignitability And Performance Over Conventional Spark...

NGK Spark Plug for the following applications: 07-12 GT500 5.4 4v under 21 PSI of boost with stock compression13-14 GT500 5.8 4v under 21 PSI of boost with stock compression03-04 Cobra under 20 PSI...

NGK, one range colder than stock 5.0,, 5/8" Hex, .035" gap, projection type for Aluminum heads (Each)NGK V-Power® Economical performance and improved ignitability over standard NGK Spark Plugs...

NGK, three ranges colder than stock 5.0, 5/8" Hex, .035" gap, projection type for Aluminum heads (Each) NGK V-Power® Economical performance and improved ignitability over standard NGK Spark...

NGK, two ranges colder than stock 5.0, 5/8 Hex, .035" gap, projection type for Aluminum heads (Each)NGK V-Power® Economical performance and improved ignitability over standard NGK Spark Plugs...

NGK Spark Plug 1 range colder than stock. Recommended for Forced Induction (EA.)

NGK Spark Plug  TR61 range colder than stock on 96-04 GT. Recommended for Forced Induction Standard plug on Lightning 99-04, 03-04 Cobra & 07-10 GT-500 (Ea.) Colder plugs for use with GT40...