July update.
Below are some pictures of a brand new fully automatic HKS Turbo Timer (Type 1). This turbo timer has long been discontinued.
I choose this Turbo Timer as it has old school & era specific styling, and will look fairly stealth given its a similar colour to the under section of the dash.
This one has a whole stack of extra functions such as vehicle speed and RPM display, speeding warning level, shift light, timer (for 0-400m, 0-100kmh etc) and more.
