NGK 2623 BPR6FS Standard Spark Plug.

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

Fits Chrysler, Crusader, Mercury Marine, Redline and Volvo Penta inboard engines and Boston Whaler and Sprint jet boat 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: .031″ (0.8mm)

• 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: 6

• Longevity: 30k Miles