ACDelco 12621258 41-110 Iridium Spark Plug

ACDelco 12621258 41-110 Iridium Spark Plug.

ACDelco Professional Iridium Spark Plugs are a high quality replacement ideal for many vehicles on the road today. Professional Iridium Spark Plugs are our latest in spark plug technology and an exact replacement for your vehicle’s original components. Iridium composition of the spark plug provides a high melting point and great strength, and provides excellent wear resistance and durability. These premium aftermarket replacement spark plugs are manufactured to meet your expectations for fit, form, and function.

Specifications:

Shell

Thread Size: 14mm

Thread Pitch: 1.25mm

Seat Type: Tapered

Resistor: Yes

Resistor Value: 4-7.5K Ohm

Reach: 17.50mm (.68")

Hex Size: 5/8" (16mm)

Insulator Height: 0.98" (25mm)

Gap: .040"

Center Electrode

Material: Copper

Ground Electrode

Material: Nickel

Type: Single Prong Electrode

Shape: Taper Cut

Quantity: 1

Heat Range: 4