PK20R11 Double Iridium Spark Plug for Camry/Corolla/Lexus 90919-01220/01178

Camry, Corolla, Lexus and other 2000 onwards 2.0L-2.4L models: dual iridium spark plugs 90919-01220/01178 (PK20R11). Iridium dual-electrode increases resistance to burn-off by about 3x vs OEM nickel alloy; more stable ignition gap. Dual iridium electrodes reduce long-term misfires, promote complete combustion, reduce carbon buildup, and improve cold start and acceleration response. Installation moderate; requires 16mm socket and torque wrench, cold-start operation, follow torque specification.