HKS 50003-M40XL Spark Plug 8 for MITSUBISHI EVO X 4B11T / MERCEDES-BENZ AMG 5.5 Bi-Turbo

Description High-Performance Spark Plug for MITSUBISHI EVO X 4B11T / MERCEDES-BENZ AMG 5.5 Bi-Turbo

The HKS Super Fire Racing M40XL spark plug is engineered for high-output engines requiring superior ignition performance and long-term durability. Developed for motorsport and advanced tuning applications, this plug combines a fine iridium center electrode and a platinum-tipped ground electrode to enhance combustion stability, even under extreme conditions.

• 0.6 mm iridium alloy center electrode reduces required voltage and extends ignition life
• Platinum-tipped ground electrode improves combustion efficiency and wear resistance
• Shortened, anti-vibration ground electrode enhances durability and stability
• Thermal edge design minimizes carbon buildup after extended idling
• Spark support gap improves ignition reliability and prevents fouling

Specifications:

• Thread Size: 12 x 26.5 mm
• Hex Size: 16 mm
• Heat Range: HKS40 (NGK 8)
• Type: XL
• Length: 13 cm
• Width: 2 cm
• Height: 2 cm
• Weight: 0.05 kg
• Part Number: 50003-M40XL
• Compatible Engines: MITSUBISHI EVO X 4B11T, MERCEDES-BENZ AMG 5.5 Bi-Turbo