ARC high flow air filter adapter designed for GX200 Honda/Clone or 212 Predator engines. Meets the rule specs for AKRA/NKA Box/Pro Stock. Custom machined to greatly increase air flow and has more air correcting capabilities anything else available on the market today. Attaches to the carb using custom made, counter sunk socket nuts. This design allows you to hide the studs and nuts from the incoming air flow, greatly reducing turbulence. Comes with the socket nuts and an allen wrench, does not come with DJ-1257 choke bracket. This adapter fits both the straight and angled air filter we sell.