Ohh, yeah... you can run ULP without a problem in your engine. Your engine is indeed an alloy head and drinks ULP without a problem.
I'm not sure if using PULP will get you anymore performance with this engine, but you can at least try it. If you think it performs better with PULP, then use it - if not, then save some money and use regular ULP. I'm sure that other 2T owners in these forums can offer some advice and their experience on this one.