Details
These NGK racing spark plugs use a iridium center electrode for the ultimate in performance.
They create a hotter spark, which means better combustion, and require a lower ignition firing voltage. Racing spark plugs are great for high octane racing fuel, nitrous and supercharged applications.
Shorty Spark Plug No Resistor No Manufacturer Heat Range 10 Electrode Core Material Copper Electrode Tip Material Nickel alloy Insulator Type Non-projected Spark Plug Thread Size 14mm Spark Plug Reach 0.750 in. Spark Plug Seat Style Gasket Wrench Diameter 5/8 in. Ground Strap Quantity One NGK Part Number R5671A-10 Quantity Sold individually.
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