HTP coil pack is the most advanced direct ignition system which integrally incorporates a high power amplifier into an ignition coil, using our own technology to enhance combustion efficiency by drastically increasing the secondary current and providing multiple sparks in a unique way. All our products are made in Japan with high quality, reliability and safety unrivaled in the industry.    Installation is easy. Direct bolt-in to the engine, no splicing or cutting into stock wiring, simply replace the stock coils with our HTP coils and your ready to go.