Bosch Iridium Spark Plug YR8SII30W

Trade numbers:

• YR 8 SII 30 W

• 9757

Bosch Iridium spark plug

Bosch iridium spark plugs have an iridium firing pin at the center electrode. They are developed to the same high quality as OE and engineered for high performance in petrol engines.

Features and Benefits:

Outstanding spark plug technology which meets exactly the requirements of the respective engine.

Fine wire 360° continuous laser welded iridium firing pin at the centre electrode and a tapered iridium enhanced ground electrode, which improves service life and performance.

Large copper core center electrode to enable improved heat transfer.

Nickel-plated housing and thread for protection against corrosion and seizure in the aluminum cylinder head without the need for lubrication.

Factory pre-set electrode gap for hassle-free replacement of spark plugs.

Always use the Bosch installation manual when replacing your Bosch spark plugs.