NGK Iridium IX spark plugs are designed specifically for the performance enthusiast. Iridium IX spark plugs offer extreme ignitibility, improved throttle response and superior anti-fouling. Fine wire Iridium center electrode ensures high durability and a consistently stable spark. Iridium alloy has an extremely high melting point, perfect for today's high-performance engines. Trivalent metal plating has superior anti-corrosion and anti-seizing properties. Special taper-cut ground electrode shape to allow for more area for flame expansion.
 
Product Details
Center Electrode Design:
Fine Wire
Center Electrode Tip Material:
Iridium
Drive Size:
5/8 in
Gap - Factory Preset:
1.1 mm = 0.043 in
Ground Electrode Configuration:
Single
Ground Electrode Design:
Tapered
Ground Electrode Tip Material:
Nickel Alloy
Insulator Material:
Ceramic
Insulator Type:
Projected
Manufacturer Heat Range Number:
7
Package Quantity:
1
Reach (in):
25mm = 1.00 in
Resistor:
Yes
Seat Style:
Gasket
Short Style:
No
Thread Size:
14 mm