k24 is the 2.4 that came in accords, other versions of the k24 featured in teh newer CRV afaik
Like the Jap b16 and its brother b16a that operated in the uk vti's the k20 is the same the k20a and k20a2 operate in FD2 CTR, JDM DC5 ITR, JDM CL7 Accord Euro R,EP3 CTR JDM and EDM, the k20a2...