ACDelco GM Original Equipment 41-109 Iridium Spark Plug

Experience superior engine performance with these ACDelco GM Genuine Iridium Spark Plugs. Made with iridium, they offer excellent wear resistance, durability and excellent engine idle stability. The fine wire electrode burns carbon deposits for reliable cold start and fast acceleration. A three-piece anti-interference seal meter radiates energy for long electrode life and blocks radio frequencies that could affect vehicle electronics. Designed and tested to strict standards. These spark plugs are an exact replacement for your vehicle's original components and are backed by General Motors.