Red needle painting speedo gauges

For this model of car we usually just add a couple strokes of red paint

You will need to leave at least 10 mins between coats

see an alternate  guide here or youtube videos on the topic ,

there are different approaches, depending on the needle color and also the color you wish to change to 

Painting needles red
speedo needles coloring
Silver needle hubs
coloring needle hubs silver