APR's performance ignition coil is a 4-terminal, plug-and-play replacement for the compact factory coil on EA888.3, EA888.4, EA839 and EA825 engines. It steps up the copper winding diameter while reducing resistance, and increases the neodymium magnet's size and strength, for up to 14% more energy output than stock. It is sold as a single ...
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Worked great, definitely noticed a difference in power, thank you.