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The HKS Super Fire Racing MR40XLB is an individual ignition coil offered as a direct replacement for compatible ignition systems. Intended to restore or maintain consistent spark delivery, this coil is supplied as a single unit for service or upgrade needs. Its compact racing-oriented designation signals suitability where a reliable replacement coil is required for maintenance, repairs, or staged rebuilds.
HKS Super Fire Racing MR40XLB
