NGK 4838 BP8H-N-10 V-Power Spark Plug

4838/ BP8HN10 Solid Tip - NGK 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.

Shell
• Thread Diameter: 14mm
• Thread Pitch: 1.25mm
• Seat Type: Gasket
• Reach: 12.7mm (1/2")
• Hex Size: 13/16" (21mm)
• Terminal Type: Solid
• Overall Height: JIS
• Gap: .039" (1.0mm)

Center Electrode
• Material: Nickel
• Type: V-Cut
• Size: 2.5mm
• Projection: Projected

Ground Electrode
• Material: Nickel
• Type: Standard

Specifications
• Resistor: No
• Resistor Value: 1K Ohm
• Heat Range: 8
• Features: Strengthened Ground Electrode
• Torque Specs: Cast Iron: 18-25.3 lb. ft. Aluminum: 18-21.6 lb. ft.

Fits select Mercury and Mariner Outboard Marine Engines

See full fitment data at https://ngksparkplugs.com/en/part-finder

• Mfg Part No: 4838 BP8HN10
• Related Part No: 4838 BP8HN10