Application Flagship, Indmar, Marine Power & Mastercraft - 181, 3.0L, 4 cylinder, conventional ignition. Mercruiser - 120, 140 hp, 2.5L & 3.0L 4 cylinder, conventional ignition. OMC Sterndrive/Cobra - 100 ('72-'73), 110 ('64), 120 ('65-'74), 140 FF & R model ('73-'74), 140 R1 model only ('74-'81) & 140 Jet ('73), 2.5L ('82-'86) & 3.0L ('82-'90), 4 cylinder, conventional ignition OEM # Mercruiser: 84-813720A5, 84-916761Q5
OMC: 503748

• Magnetic Suppression Core manufactured for your specific application.


• Kevlar^® core for maximum durability and long life


• Durable stainless steel wound conductor for maximum horsepower and engine performance


• Premium silicone jacketing and boots for the ultimate in high temperature protection


• Superior RFI suppression for the most sensitive electronic system


• Corrosion resistant stainless steel spark plug and distributor terminals for maximum conductivity


• OE style boots provide a sealed barrier against heat, dirt and moisture


• Thunderbolt type ignition