Intake Manifold, 24mm Flat Slide Mikuni (and 24mm Keihen) to GX200 and Predator 212. The tube end has a 1.25" OD and 1.135" ID for use with many tube mount carbs. May be natural aluminum finish or black anodized depending on availability (usually these are black) Tapped 1/8NPT for pulse port. Pulse fitting is not included