Bring the fire-power to your HEMI! The MSD Blaster gen III HEMI coil is a direct bolt-in and spec'd with superior materials and winding ratios to improve the output of the coil while retaining factory fitment. For over 50 years, MSD has unapolagetically delivered industry leading ignition performance! Upgrade your HEMI ignition coils with the same MSD name the pros use and rely on in the most extreme motorsport environments. This MSD Blaster HEMI Coil fits 5.7L, 6.1L, 6.2L and 6.4L HEMI engines, and is available in red or black.