Where can i and what is the best rev counter to get for a skoda felicia 1.3mpi and a de badged front grill? and do they do little body kits for the felicia

Here's a good place to start. Garage Equipment, Car Workshop Tools, Motor Parts and Accessories, Nationwide, Uk - Skoda Parts & Accessories

As for getting a rev counter, it would be easiest to grab a panel with a rev counter from a scrappie and swap them over.

I came across this yesterday which looks rather interesting Velleman Components n.v.