NGK Racing Spark Plug

STANDARD FEATURES Shorty Spark Plug No Resistor No Manufacturer Heat Range 7 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-7 Quantity Sold individually.