NGK 2771 UR5 V-Power Spark Plug

NGK 2771 UR5 V-Power Spark Plug.

NGK's V-Power Plugs Feature a Unique V-Cut in the Center Electrode that Directs the Spark to the Edge of the Electrode, Helping the Spark Develop More Rapidly, Increasing Ignitability and Reducing Quenching.

Fits American Challenger, Berkeley, Chrysler, Flagship, Hardin Marine, Indmar, OMC U.S. Marine and Volvo Penta inboard engines.

Specifications:

Shell

Thread Size: 14mm

Thread Pitch: 1.25mm

Seat Type: Tapered

Resistor: Yes

Resistor Value: 5K Ohm

Reach: 11.6mm (.460")

Hex Size: 5/8" (16mm)

Terminal Type: Solid

Overall Height: ISO

Gap: .039" (1.0mm)

Center Electrode

Material: Nickel

Type: V-Cut

Size: 2.5mm

Projection: Projected

Ground Electrode

Material: Nickel

Type: Standard

Quantity: 1

Torque Specs: Cast Iron: 10.8-18 lb. ft. Aluminum: 10.8-14.5 lb. ft.

Brand: NGK

Heat Range: 5

Longevity: 30k Miles