Fuel pump question for Neon '97

I have a 97 Chrysler Neon LX. It needs a new fuel pump. The Chrsyler part no. is 4798485

I would like some help confirming the equivalent part on

Question 1: I'm not sure if I want a "Street Pump" or a "Mechanical Fuel Pump"

Question 2: If a Street pump I'm not sure if I want a "Mopar Big Block" or a "Mopar Small Block"

Question 3: I'm not really sure that the parts listed here are equivalent :-)

Any help would be very much appreciated.

Thanks and all the best, Brian.