The BildeeMait Aluminum Alloy Oil Filter is the perfect accessory for your motocross kart with 20cm pipes in need of regular oil changes. Made from high-grade aluminum alloy, this filter is durable, lightweight, and resistant to corrosion, ensuring long-lasting performance and longevity. To make it even more efficient, the filter features a 8mm thread, allowing for easy replacement and maintenance. Plus, it's compatible with a wide range of 20cm pipe designs, ensuring compatibility with various brands and models. Whether you're a seasoned pro or just starting out, this oil filter is a reliable and cost-effective solution for keeping your kart's engine running smoothly.