The product is an OEM complete intake manifold designed specifically for 86-87 Honda CRX Civic SI models. Made by Honda, this specific manifold comes with part numbers 17110-PE7-661 and 17100-PE7-733. It is essential for maintaining the optimal performance and efficiency of the vehicle's air and fuel delivery system. This genuine part ensures a perfect fit and reliable operation for your Honda CRX Civic SI. Please message any questions you may have. Please checkout EBay store for many more parts. Thanks