 The Honda K series have cast iron sleeves as opposed to the FRM cylinders found only in a roadster that is named for its what?
Honda K engine:  The cylinders have cast iron sleeves similar to the B-series & F-series engines, as opposed to the FRM cylinders found in the H-series and newer F series engines found only in the Honda S2000. Honda S2000:  The S2000 is named for its engine displacement of two liters, carrying on in the tradition of the S500, S600, and S800 roadsters of the 1960s.
i don't know