Datsun - Datsun 240K
The Datsun 240K-GT had a 6 cylinder 2.4 litre engine, which was the largest capacity model in the Datsun Skyline range, the others being the 1600TI and 1800TI.
For the Datsun 240L and 240KGT built after 1976, the tyre size originally fitted was 185/70SR14 on 5J and 5 1/2J wheels. Blockley produces a superb 185/70VR14, which you can see full details of at the link below:
