Upgrade your engine's efficiency with the K And N Engineering 3/8 Vent 1-1/2 Base Fltr. Designed for optimal performance, this breather features a 3/8-inch hole and is reusable, constructed from high-quality rubber and steel. Its black and chrome finish adds a sleek look to your engine components. Ideal for easy push-in installation, this product ensures long-lasting durability and performance. Perfect for use in engines and components, this breather fits seamlessly into valve cover systems. The compact design with dimensions of 6 inches in length, 4 inches in width, and 2 inches in height, makes it a versatile choice for any engine setup.