Honda Civic Type R for generation IX and X, is install with the K20C1 and K20C3 engine, and some may call it as FK2 or FK8 model.
For their genuine parts part number, mostly is using "RPY" in the center of their part number, like the head gasket it is 122251-RPY-G02, rocker cover gasket is 12341-RPY-G01 and the gasket kit with part number of 06110-RPY-G02.