Nova Engines .21 On-Road 34mm Conical Exhaust Manifold. ...
This manifold is designed with an extremely smooth bore to be as least turbulent as possible maximizing airflow. using a unique mounting design, this manifold is specifically designed for the Nova Engines ...
gaskets from O.S Engines. This is used to seal the back of .21 to .28 size rear exhaust engines where the tuned pipe manifold attaches to the rear of the engine. These ...