DENSO # 3324 Iridium LONG LIFE Spark Plugs -- SK16R11 ----- 4 PCS NEW;

The DENSO Iridium Long Life plug is fast becoming the standard for high-tech engines. The patented Iridium alloy has broken through the spark plug technology barrier. Employing a revolutionary new 360 degree laser-welding process, DENSO has created a spark plug unlike anything on the market today. Designed for durability under the most extreme conditions, our patented Iridium alloy is six times harder and eight times stronger than conventional Platinum and can handle temperatures in excess of 4,000F. Enjoy more horsepower, faster easier starts, less misfires under heavy loads, plus better conservation of fuel at all times.