Bosch Platinum Spark Plug

HR9LPP22Y x 8

• Precious metal performance for the modern motor
• A more advanced spark plug, offering platinum technology for an economical price
• Powerful spark comes from the pure platinum centre electrode, which is matched to an yttrium-enhanced ‘v’-profile ground electrode, enhancing service life a further 25% over standard platinum plugs
• Unique 360 continuous laser weld fuses corrosion resistant Platinum firing pin to base