The 4Pcs NGK ILTR5K13 90607 Iridium Platinum Spark Plugs are high-quality performance parts designed for gasoline engines. With a 1.3mm gap and a reach of 25mm, these spark plugs feature a standard configuration and are made of durable iridium platinum material. The NGK brand ensures reliability and superior performance, making them a popular choice for car and truck owners looking to enhance their ignition systems. With a torque specification of 10-20N.m, these spark plugs are a great addition to any vehicle in need of improved fuel efficiency and power output.