The Toyota Genuine 90919-01210 (Denso SK20R11) is an Iridium Long Life spark plug designed for high-performance Toyota and Lexus engines. It features a fine-wire 0.7mm iridium center electrode and a platinum-tipped ground electrode for enhanced durability and ignition efficiency. 9091901210,9091901211,909190-1211,SK20PRA8,IFR6T11,93684, 9091901122,90919-01122,2677008530,26770-08530,90919-01219,SK16R-P11 9091901219,SK16RP11