Description

A Set of four Brand New NGK
Iridium IX Spark Plugs

The improved throttle response, superior anti-fouling and high-ignitability makes Iridium IX® ideal for the performance enthusiast. Iridium’s extremely high melting point is perfectly suited to today’s high-temperature engines, delivering outstanding acceleration, fuel efficiency and durability.

Fine iridium tip ensures high durability and a consistently stable spark
Trivalent metal plating for superior anti-corrosion and anti-seizing properties
Outstanding acceleration, high fuel efficiency and durability

Center Electrode Core Material	Copper Core
Center Electrode Tip Material	Iridium
Ground Configuration	Standard
Ground Electrode Core Material	Nickel Core
Ground Electrode Quantity	1
Ground Electrode Tip Design	SPE
Hex Size	5/8 in
Insulator Height	50.00 mm
Manufacturer Heat Range	6
Part Number	SILZKR6B11
Pre-Gap Size	.044 in
Reach	26.5 mm
Resistance	5000 Ohms
Seat Type	Flat
Stock Number	6215
Thread Diameter	12.00 mm