K24 box has almost identical spread of ratios (2nd to 6th) as DC5R box, except all ratios are taller. Good for cruising with tall gearing, or put in a low ratio FD (5.3 or better) for cheap option for CR box (guarantee nobody could even pick the difference in ratios by driving, apart from the said FD ratio)

I think there were several versions of the K24 box though. later ones might have had wider gear spacing.