• Laser welded Iridium center electrode tip
• Platinum disc welded to backside of ground electrode provides long life
• Trivalent Metal Plating for superior anti-corrosion and anti-seizing
• Tapered ground electrode to minimize quenching
• Consistent and stable spark
• Faster starts and quicker acceleration
• Better fuel economy and lower emissions

Spark Plug Type Performance Differences

Correct Way to Check, Set, and Adjust Your Spark Plug Gap