I get to look at one of these instrument clusters every time i sit in my 200B [810] wagon.
It's an '80 - '81 Datsun 200B SX instrument cluster. The yellow hand that is visible on the tach is an adjustable 'red line' needle, except that it is amber /orange /yellow [pick one.] The earlier SX models [up to '79] used a red hand
It looks like they have used the whole dash.

It looks to be a very nice car, but i can not agree with some of the others. I think the flares spoil it big time, but then i have always tried to make the mechanicals fit the car, & not vice versa. Subtlety is my prefered style.
Nice car anyway.



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So why is it that SX's have tachos and GX's dont

The SX was the 'sport" model & all sport oriented vehicles have tachometers, don't they?
I believe that the very last of the GX models also had the SX dash, probably to use up surplus supplies & to add another feature that might help them sell.

The SX had a lot of other sport features like 6" mags, uprated springs & shocks, along with special paint,[red, white, or blue only] SX decals, & special interior.
The engines were no diferent from all other models & i believe that all came with four speed manual trans.