NGK Iridium Spark Plugs One Step Colder LFR7AIX 2309

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  • Regular price $43.00
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These are one step colder plugs and are recommended for higher horsepower applications. A higher heat range number does not improve engine performance, it increases the plugs ability to dissipate heat.

Stock Number 2309
Heat Range: 7
Plug Gap: .031
 

INCLUDES SET OF 4