Description

BR9HS-10 Spark Plug | NGK 4551

Premium NGK spark plugs are known for their reliable performance and superior anti-fouling characteristics.

• NGK spark plug BR9HS-10
• Stock number 4551
• 14mm thread size
• 12.7mm thread length
• Resistor
• Gasket seat
• Standard type
• Gap 0.039 in. (1.0mm)
• 13/16 in. hex
• Replaces Mercury 33-813418