One Step Colder Spark Plugs for M113K AMG

Optimal performance for high-boost applications. These One Step Colder Plugs are essential for modified M113K engines generating 75+ horsepower gains, ensuring cooler operation, better combustion, and reliable performance under increased boost.

Key Features

• Set of 16 NGK One-Step Colder Plugs
• Recommended for engines with increased boost or 75+ horsepower upgrades
• Optimized for modified M113K engines
• Improved heat dissipation and spark efficiency
• Enhanced durability for high-performance applications

Key Benefits

• Cools the Engine — One-step colder design prevents pre-ignition under boost
• Stronger Spark — Better combustion and efficiency in modified M113K engines
• Reliable Under Load — Ideal for pulley upgrades, tunes, and high-boost builds
• Direct Fit — No modifications required – drop-in upgrade

Fitment

• Mercedes-Benz E55 AMG (W211)
• Mercedes-Benz CLS55 AMG (C219)
• Mercedes-Benz SL55 AMG (R230)
• Mercedes-Benz S55 AMG (W220)
• Mercedes-Benz CL55 AMG (C215)
• Mercedes-Benz G55 AMG (W463)

One Step Colder NGK Spark Plugs – Essential for any boosted M113K build

Upgrade your ignition system and protect your engine under high boost.