NGK TR7IX Spark Plugs GT500 5.4 L / 5.8 L & Cobra 4.6 L - Set of 8

Please select fitment

NGK TR7IX Spark Plugs GT500 5.4 L / 5.8 L & Cobra 4.6 L - Set of 8

SKU: NGK-3690
$69.99

California Residents Warning!
California Residents:Proposition 65 Warning
FOR CLOSED COURSE COMPETITION USE ONLY. NOT INTENDED FOR STREET USE. THE SALE, USE, OR INSTALLATION OF THIS PRODUCT MAY ALSO BE ILLEGAL NATIONWIDE UNDER THE FEDERAL CLEAN AIR ACT (42 U.S.C. § 7522(A)(3)).

This is VMP's recommended spark plug for modified 5.4 L / 5.8 L GT500 and 4.6 L Cobra.

Must properly gap before installation.

Set of 8 colder spark plugs for a forced induction application, must be gapped at 0.028- 0.032" between 21-14 PSI of boost, over 21psi gap .026-.028"

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