HKS Super Fire Racing M40i Performance Ignition Coil

This high-performance ignition coil from HKS delivers a stronger, more consistent spark for improved throttle response and combustion stability in tuned and stock engines alike. Part of the Super Fire Racing M40i line, the coil is engineered for performance-minded drivers seeking reliable ignition energy during aggressive driving and track use; it replaces a factory coil to support crisper starts, reduced misfires, and better overall engine efficiency when used with compatible ignition systems.