NGK LFR5A-11 Spark Plugs Mercruiser Iridium offers excellent engine idle

Iridium offers excellent engine idle stability and smooth performance

9-42401 Medallion

TCW3 OPTIMAX 2-stroke direct injection oil

and all boats with teardrop-shaped water intake

All 2002 up PCM 6

NGK LFR5A-11 Spark Plugs Mercruiser Iridium offers excellent engine idleSpark plug important element by proper selection of engine, this efficiency depends on the details of the entire engine. Thread Diameter 14 mm Thread Pitch 1. 25 mm Conection Type Die casting machine washer Resistor Available Resistor Resistance 5K Ohm Thread Length 26. 5 mm Hexahedral Key Size 16 mm Contact Terminal Type Fixed Total Length Without Thread 50. 5 mm Spacing Between Electrodes 1. 1 mm Heat Range 5 Manufacturer NGK Country of Manufacturer