The Castrol GTX 10W-40 Conventional Motor Oil is a 5-quart pack of high-quality base oils designed to provide anti-wear protection for both cars and trucks. This product, manufactured by Castrol in the United States, is formulated to protect against viscosity and thermal breakdown, ensuring optimal engine performance. With a viscosity rating of 10W-40 and a volume of 160 fl oz, this oil is suitable for gasoline engines and offers a universal fit for automotive use. Perfect for maintaining the health of your vehicle's engine, this Castrol motor oil is a reliable choice for any driver.