Indmar HVS Ignition Coil Assembly w/ ModuleRestore reliable spark and smooth engine performance with the Indmar HVS ignition coil assembly with module. This OEM style coil module unit is designed to deliver consistent high voltage output and stable ignition controlhelping reduce misfires, hard starting, and intermittent ignition issues common with failing coil packs or modules. The integrated finned heat sink helps dissipate heat for dependable operation in demanding engine compartments.