The Engine Valve Spring-Stock Melling VS-350-2 springs are high-quality valvetrain components manufactured by Melling in the United States. This product includes 2 springs with the manufacturer part number VS-350-2, designed for engines and engine parts. The Melling brand is known for producing reliable and durable engine valve springs, making this product a suitable choice for car and truck owners looking to replace or upgrade their valvetrain components.