The Poweraid 310-510 Throttle Body Spacer is a performance-enhancing accessory designed specifically for 91-06 Jeep Liberty vehicles with 4.0L-4.6L engines. Manufactured by Airaid, this spacer is designed to improve airflow and increase engine performance by creating a more efficient combustion process. The 310-510 spacer is a reliable and durable component that can help enhance the power and efficiency of your vehicle, making it an ideal choice for Jeep Liberty owners looking to improve their vehicle's performance.‼️‼️‼️ new never been put on a vehicle because of the age unfortunately the seal has a crack in it. Everything is as is that’s all that’s in. The box comes with the original box.‼️‼️‼️