NGK 6422 BPR7HS Standard Spark Plug

NGK 6422 BPR7HS Standard Spark Plug.

NGK's Standard Plugs are Constructed for Longer Life and Optimum Performance.

Fits Johnson and Tanaka outboard engines.

Specifications:

Shell

Thread Size: 14mm

Thread Pitch: 1.25mm

Seat Type: Gasket

Resistor: Yes

Resistor Value: 5K Ohm

Reach: 12.7mm (1/2")

Hex Size: 13/16" (21mm)

Terminal Type: Removable Nut

Overall Height: JIS

Gap: .028" (0.7mm)

Center Electrode

Material: Nickel

Type: Standard

Size: 2.5mm

Projection: Projected

Ground Electrode

Material: Nickel

Type: Standard

Quantity: 1

Torque Specs: Cast Iron: 18-25.3 lb. ft. Aluminum: 18-21.6 lb. ft.

Heat Range: 7

Longevity: 30k Miles