Quick view NGK TR6IX Iridium Spark Plugs NGK TR6IX Iridium Spark Plugs Sold individually. For a general rule of thumb, we normally recommend NGK TR6IX spark plugs gapped .030 for GT500's running less than 15psi boost, but always consult your tuner when deciding what plug and gap to run... $7.49 Add to Cart Compare
Quick view NGK LTR6IX-11 Spark Plug NGK LTR6IX-11 Spark Plug NGK spark plug for Ford Mustang and F-150 Coyote 5.0L. Colder than factory plug, for use with aftermarket mods. $7.99 Add to Cart Compare
Quick view NGK LTR7IX-11 Spark Plug NGK LTR7IX-11 Spark Plug Spark plugs for boosted Coyote 5.0L applications $7.49 Add to Cart Compare
Quick view NGK TR6 Spark Plugs NGK TR6 Spark Plugs Sold individually. For a general rule of thumb, we normally recommend NGK TR6 spark plugs gapped .030 for GT500's running less than 15psi of boost, but always consult your tuner when deciding what plug and gap to run. Fits: 2007... $3.00 Add to Cart Compare
Quick view NGK TR7IX Iridium Spark Plugs NGK TR7IX Iridium Spark Plugs Sold individually. For a general rule of thumb, we normally recommend NGK TR7IX spark plugs gapped .028 for GT500's running 16-19 psi boost, but always consult your tuner when deciding what plug and gap to run... $7.49 Add to Cart Compare
Quick view NGK TR8IX Iridium Spark Plugs NGK TR8IX Iridium Spark Plugs Sold individually. For a general rule of thumb, we normally recommend NGK TR8IX spark plugs gapped .022 for GT500's running 20+ psi boost, but always consult your tuner when deciding what plug and gap to run... $7.49 Add to Cart Compare
