NGK 6955 CR9EB Standard Spark Plug

NGK 6955 CR9EB Standard Spark Plug.

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

Fits Yamaha jet boat engines.

Specifications:

Shell

Thread Size: 10mm

Thread Pitch: 1.0mm

Seat Type: Gasket

Resistor: Yes

Resistor Value: 5K Ohm

Reach: 19mm (3/4")

Hex Size: 5/8" (16mm)

Terminal Type: Solid

Overall Height: ISO

Gap: .031" (0.8mm)

Center Electrode

Material: Nickel

Type: Standard

Size: 2.5mm

Projection: Non-Projected

Ground Electrode

Material: Nickel

Type: Standard

Quantity: 1

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

Brand: NGK

Heat Range: 9

Longevity: 30k Miles