LS Truck Intake Manifold EGR Tube Delete Plug Has 3/8" NPT Threaded Hole. Made in the USA from aerospace grade aluminum Fits all LS series intake manifolds with the port behind the throttle body including LQ4 and many other truck/SUV manifolds Natural finish aluminum as shown Includes; 1 intake plug, stainless steel bolt, and O-ring Please check out my other items for other LS block off plates etc.DNA