Depends on use I suppose, if its gonna be given hell then all the oil mods would be advised, the nitto pump flows 60ish lph from memory so that would empty out a stock sump quicker than a stock pump would, hence the need accompany it with the bigger sump and restrictor. Enlarged oil returns/external drain etc by that stage you've already got a decent amount apart and would be seem like a waste of time/labour/money to come back and install forged pistons and rods at a later date. If it's just a streeter then you should be able to get away with the stock motor and pump, wouldn't hurt to install the sump though.
The less revs the better.
Edit: nevermind, just saw now youre running a single. Regardless, if you want the motor to live, be sensible with the revs