The NGK SILZKFR8D7S iridium spark plugs are a popular upgrade for Mercedes AMG models fitted with the M133 engine. Thanks to heat range 8 and Iridium IX technology, these spark plugs offer excellent heat dissipation and very stable ignition, which is particularly important in high-performance or tuned engines.
The spark plugs are a direct replacement for the original ones and ensure reliable ignition, even under high load and turbo pressure.
Advantages
• High-performance iridium spark plug•
Heat range 8 for improved heat dissipation•
Extremely stable ignition under high load•
direct replacement for OEM spark plugs•
Ideal for tuning and high-performance engines
Technical specifications
• Type: NGK
SILZKFR8D7S• Technology: Iridium
IX• Heat range:
8• Seal: Triple
seal• Fitting: direct
replacement• Price: per piece
Compatibility
Mercedes-Benz
AMG• Mercedes A45 AMG
W176• Mercedes CLA45 AMG C118
Engine• Mercedes M133 2.0 turbo AMG
Product features
• Iridium electrode for improved
durability• High ignition stability at high turbo
pressure• Designed for performance and tuning
applications• Manufactured in Japan
Contents
• 1x NGK SILZKFR8D7S spark plug
Frequently Asked Questions
Why use spark plugs with a heat range of 8?
Spark plugs with a cooler heat range help dissipate heat more effectively in powerful or tuned engines.
Are these spark plugs suitable for tuning?
Yes, these spark plugs are often used in Stage 1, Stage 2 and high-performance setups.
Are these a direct replacement for the original spark plugs?
Yes, these spark plugs can be fitted straight away.