Iridium spark plugs for ACDelco 41-101 12568387, 6 pieces

Special feature: Iridium spark plug. Iridium allows for the use of small, efficient electrodes for reliable cold starts and quick acceleration. The thin iridium wire electrode helps remove carbon deposits from the spark plug tip quickly. Iridium ensures excellent idle stability and smooth engine operation. The one-piece anti-interference gasket blocks radio frequencies that could interfere with vehicle electronics. It measures ignition energy for long electrode life and prevents combustion losses. Package contents: 6 spark plugs.