Tag: iridium spark plugs

Wondering how often to change your spark plugs? Learn the difference between copper and iridium plugs, warning signs of wear, and how to avoid costly engine damage.

9 April 2026

Elliot Crenshaw

Spark Plug Lifespan: When to Replace Your Plugs for Peak Performance

Wondering when to change your spark plugs? Learn about the lifespan of copper, platinum, and iridium plugs, signs of wear, and how to avoid costly engine damage.