These are genuine OEM Honda/Acura RDX 410cc (K-series) saturated injectors. These are an affordable alternative fuel injector set that provided a better spray pattern than stock while also allowing more fuel. For the enthusiast who is moderately building their car and not yet ready to make the jump to a much bigger cc injector, RDX injectors are the way to go.
RDX Injectors are rated for 410cc (at 38 psi) and 550cc (at 70psi) and offer a much improved spray pattern over factory K20A and K24A injectors. Dyno tests have shown (via forums) a bolt-on performance gain of approx. 5hp by just switching over to RDX injectors. Some tuning may be required depending on engine application. These also work for B/D/F/H-series engines with an aftermarket fuel rail (specifically made for RDX injector) along with an engine management system.
Sold as a set of 4 injectors (clips required and are not included! - not compatible with non-RDX oem injector clips).