NGK-5599 LASER IRIDIUM ITR4A15 Spark Plug Set

Replaces PCM RP030010

Includes 8 Plugs

• Premium NGK spark plugs are known for their reliable performance and superior anti-fouling characteristics
• NGK spark plug
• 14mm thread size
• 17.5mm thread length
• Resistor
• Tapered seat
• Iridium
• Gap 0.059 in. or 1.5mm
• 5/8 in. or 16mm hex
• Replaces AC Delco 41-101
• Replaces Crusader RP030010
• Replaces Mercruiser 33-8M2018369
• Replaces PCM RP030010
• Replaces Volvo Penta 21467472
• Replaces NGK 5146

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