It's a new SkinPack 'Transparant 300' by Polodave for oinkoink's Speedometer IV.
This speedometer works up to 300 km / h

you can download oinkoink's Speedometer IV here:
http://www.gtainside.com/en/download.php?do=comments&cat=349&start=0&id=23784&orderBy=

Include Skins:
-'Simple Blue' Skin
-'Simple Dark' Skin
-'Simple Green' Skin
-'Simple Red' Skin
-'Simple White' Skin
-'Contour Blue' Skin
-'Contour Dark' Skin
-'Contour Green' Skin
-'Contour Red' Skin
-'Contour White' Skin

Instalaltion


Choose your skin and extract "Bck.png" and "Pin.png" in
... \Grand Theft Auto IV\SpeedoIV\Default\

Install the 'Config.ini' file that the speedometer works up to 300 km / h
... \Grand Theft Auto IV\SpeedoIV\Config.ini