vintage Sun tach ST90 with monitor
 

I bought this set up a while back but never used it. I believe the tach head itself is new but monitor is used. I never tried it but was told it worked. 250.00 John 630 333 8333 https://www.yenko.net/ubbthreads/pics...4-dsc00846.jpg
https://www.yenko.net/ubbthreads/pics...5-dsc00841.jpg
https://www.yenko.net/ubbthreads/pics...6-dsc00847.jpg