NGK Racing Spark Plug Box of 4 R6725-115
Spark Plug Thread Size: 14mm
Spark Plug Reach (in.): 0.846 in.
Spark Plug Reach (mm): 21.49mm
Manufacturer Heat Range: 11.5
Shorty Spark Plug: No
Resistor: Yes
Electrode Tip Material: Platinum
Electrode Core Material: Copper
Center Electrode Type: Non-projected
Spark Plug Seat Style: Gasket
Wrench Diameter: 13/16 in.
Ground Strap Quantity: One