Iridium Spark Plugs — 4-Pack Universal

Upgrade to iridium spark plugs for more reliable ignition, better cold-start performance, and longer service life than standard copper plugs. Fine wire iridium center electrode requires less voltage to fire for a stronger, more complete combustion event.

• Fine wire iridium center electrode
• 0.6mm electrode tip — requires less voltage
• 100,000+ mile service life
• Better cold starts & fuel economy
• 4-pack — one full set