NGK (ILKAR8H6) Laser Iridium Spark Plugs Subaru WRX 2015-2021 Forester 2014-2018 Set of 4 Plugs | 96024

• Sold as a set of 4 spark plugs
• Corrugated ribs prevent flashover
• Pure alumina silicate ceramic insulator, provides superior strength and better heat transfer
• Copper core aids in heat removal
• Triple seals prevent leakage
• Longevity: 100k Miles
• 60 Days manufacturer Warranty

Shell
Spark Plug Thread Diameter: 12mm
Thread Pitch: 1.25mm
Seat Type: Flat
Reach: 26.5mm (1.04")
Wrench Diameter: 9/16" (14mm)
Terminal Type: Solid
Gap: .024" (0.6mm)

Center Electrode
Electrode Tip Material: Iridium
Electrode Core Material: Copper

Ground Electrode
Material: Nickel
Type: Standard
Shape: Taper Cut

Specifications
Resistor: Yes
Resistor Value: 5k Ohm
Manufacturer Heat Range: 8
Torque Specs: Cast Iron: 10.8-18 lb. ft. Aluminum:10.8-14.5 lb. ft.

Do I need to gap these? You should ALWAYS check the gap on the plugs before installing.

NGK Laser Iridium spark plugs are the best combination of performance and longevity