Iridium spark plugs for Acdelco 41-101 – 6 pieces – Thin electrodes for quick starting – One-piece suppressor seal

Feature: Iridium Spark Plug. Iridium allows for small, efficient electrode designs for reliable cold starts and rapid acceleration. The fine iridium wire electrode helps burn off carbon deposits on the spark plug tip as they form. Iridium offers excellent engine idle stability and smooth performance. The one-piece suppressor gasket helps block radio frequencies that can affect vehicle electronics. The suppressor gasket measures spark energy for long electrode life and helps prevent combustion leaks. Includes: 6 x Spark Plugs