The NGK Spark Plug 5592 PFR7W-TG 4 Pack is a high-quality set of spark plugs designed for optimal performance in car and truck engines. With a weight of 0.2 KG per plug, these plugs are lightweight and easy to handle during installation. The spark plugs are manufactured by the trusted brand NGK and have a reference OE/OEM number of 101 905 621 C, ensuring compatibility with a wide range of vehicles. The 4-pack design allows for convenient purchase and ensures that you have spare plugs on hand for future maintenance needs.