Denso Iridium High Power Spark Plugs – Denso
- Add crisp throttle response
- 20,000+ miles between servicing
- Iridium centre electrode
- Increased power & cleaner combustion
- Long lasting durability
- Race proven engineering
New for the ST FOCUS IRIDIUM POWER Japanese Iridium Pinpoint electrode – the critical component of a spark plug.
Crisp throttle response and an increase in performance.