Enhance your vehicle's performance with HKS Super Fire Racing M45 Spark Plugs. Designed for high-performance engines, these spark plugs are engineered to provide a reliable spark, ensuring optimal combustion efficiency. Whether you're a professional racer or a performance enthusiast, HKS is a trusted name in automotive tuning, and the M45 model delivers exceptional results under pressure. The HKS Super Fire Racing M45 features advanced materials and a unique design that promotes better thermal conductivity and durability. Its innovative technology helps reduce misfires and improves acceleration, making it an ideal choice for those looking to maximize their vehicle's power output. Upgrade your ignition system with HKS and experience a noticeable difference in your engine's performance. With the part number 50003-M45, these spark plugs are compatible with a variety of automotive applications, providing versatility for different setups. Invest in quality and performance with HKS Super Fire Racing M45 Spark Plugs, and take your driving experience to the next level. <b>Features:</b> * High-performance spark plugs for enhanced ignition efficiency: High-performance spark plugs for enhanced ignition efficiency * Durable construction for long-lasting reliability: Durable construction for long-lasting reliability * Designed to reduce misfires and improve acceleration: Designed to reduce misfires and improve acceleration * Compatible with various automotive applications: Compatible with various automotive applications