Spark Plugs
Trade numbers:
- HR 9 LPP 22 Y
- 8135
- 8135-4
Bosch Double-Platinum Spark Plug
The Bosch double platinum spark plugs have platinum firing pins at both the centre and a ground electrode. Developed to OE specifications and designed for better performance and life.
Features and Benefits:
Outstanding spark plug technology which meets exactly the requirements of the respective engine.
Fine wire 360 degree continuous laser welded platinum firing pins and a yttrium enhanced tapered platinum ground electrode inlay for improved combustion and service life.
Large copper core center electrode enables an 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 enables hassle-free replacement.
Note: Always use the Bosch installation guide when replacing your spark plugs.
