Set of 4 Genuine Denso 5344 IKH20 Iridium Power Spark Plug

Thread Diameter: 14mm
Thread Pitch: 1.25mm
Seat Type: Gasket
Reach: 26.5mm (1.04")
Hex Size: 5/8" (16mm)
Terminal Type: Solid
Overall Height: ISO
Gap: .043" (1.1mm)
Electrode Material: Iridium
Ground Electrode Tip Design: Tapercut, U-Groove
Ground Electrode Quantity: 1
Insulator Type: Projected
Material: Nickel
Nominal Gap: 1.1 mm
Spark Plug Reach: 26.50 mm
Wrench Diameter: 16 mm
Thread Diameter: 14 mm
Heat Range: 20
Seat Type: Flat