HKS MOTORSPORT SPARK PLUGS, DI ENGINE

Designed and developed by NGK and HKS, the engineers at Premier Tuning Group have identified a perfect spark plug for your Direct Injection Mercedes AMG. It's extremely durable electrode and the ability to handle high boost pressures makes this spark plug very desirable for any AMG that is making 60-100hp above stock.

Key Features:

• Direct Replacement for your AMG
• Fitment for the M157, M177, M178, M278 & Many More Engines
• Extreme Duty Compared to Stock
• One Step Colder Than Factory

Fitment :

- C63s 2015-2021

- GLC 63 2018-2021

- AMG GT/S/C/R 2015-2021

- E63 2018-2021

-G63 2019-2021

-GT63 4 Door 2018-2021

-S63 2018-2021

-GLE63 2020-2021