NGK-3623Spark Plug Set

Includes 8 Plugs

• NGK spark plug
• Part number BPR6EFS
• Stock number 3623
• 14mm x 1.25mm thread
• 19.0mm thread length
• Projecting insulator type
• Resistor
• Tapered seat
• Standard type
• Gap 0.035 in. (0.9mm)
• 5/8 in. or 16mm hex
• Replaces Champion RS9YC
• Replaces Kohler 279147
• Replaces Mercury/Mercruiser 33-816336Q
• Replaces Volvo Penta 3851868

Recommended by the manufacturers for optimum performance, these spark plugs are the correct heat range for your marine engine.

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