Granatelli Pro Series Extreme red coil-pack set for 2005-2013 GM LS applications using LS2, LS3, LS7, LS9, LSA, L92, L99, or L76-style coils. Rated at 80,000 volts.

They replace the factory coils without a wiring conversion and add spark reserve for an engine that sees more rpm or cylinder pressure than stock. The factory-style plugs keep the install clean in a finished swap harness.

Red finish. 80,000-volt rating. Eight coil packs included. Part 28-0513-CPR.