4 Pc Iridium Power Spark Plugs Compatible with Honda Accord 2.4L L4 2008-2012
& Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir). IRIDIUM POWER: These DENSO spark plugs feature a tapered cut, U-Groove ground electrode, 0.4mm iridium tip, and a 360-degree laser welding assembly process.