Honda RBC inlet and adapter plate porting

Now available through our onsite machine shop  - Honda RBC inlet manifold 70mm throttle porting and adapter plate porting. This is essential for a high powered K20 or K24 build using the RBC inlet manifold. We machine the throttle port opening to match your 70mm throttle body. We use our precision tooling to offer this service and finish each manifold by hand. Every manifold is put through our hot wash system afterwards to remove and machining debris.