CUSCO Direct Ignition Coil Set 1C7748AThis Cusco 1C7748A Coil set reduces engine knock and improves ignition timings on your G16E GTS engine, Toyota GR Yaris Gen 1, GR Yaris Gen 2 and GR Corolla. By using a multi spark technology, the combustion mixture achieves a far greater level of usage, that in turn improves both performance and emissions. The increased coil turns enable the Cusco ignition coils to achieve +46% of spark power when compared to the OEM counterparts. PRO Tip: Coil pack