Mitsuba

Flex delivers cutting-edge spark plugs and glow plugs designed for precision ignition across automotive, marine, and industrial applications. Our core series—EcoFire (fuel-efficient), TurboHeat (high-temperature), and MarineX (corrosion-resistant)—ensure reliable starts, reduced emissions, and extended engine life. Trusted by OEMs and mechanics worldwide, Flex combines advanced ceramics, iridium tech, and robust alloys for unmatched performance in extreme conditions. Upgrade with Flex—where innovation meets ignition.