Set of 10 Genuine NGK 4838 BP8H-N-10 V-Power Spark Plug

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.