Pretty much everything after the B Series engines spin the correct way IIRC - Ritchie correct me if I'm wrong.
There's 2 types of K24, can't remember which is which but there's a 20-40hp difference IIRC.
Wiki will probs tell you.
While they are a tall engine, you can fit one under the bonnet of an MX5 with sump mods.
Do starlets use steering box or R&P?
R&P could cause clearance issues.