HONDA OEM 410cc Injectors. These injectors are manufactured by Honda Acura so expect a perfect fit and performance. They are 100cc bigger than the injectors found in standard EP3, DC5, and FN2 (310cc). These are therefore ideally suited to those seeking an injector for a high powered naturally aspirated engine, or those using low boost applications. Will fit all K-series inlet manifolds, all you need to do is re-pin the plugs. Sold as a set of 4 Genuine Acura boxed injectors and generic plugs.