I saw these digital tachs in my mag that I got from summit racing. I'm just curious if you have to hook something special up to make it work. B/c I would like to buy it but if I can't make it work then screw it. Oh and it's 2 1/16" big so it will fit right below my A/F gauge on my dual pod. I think that would be hella sweet! What do you guys think?
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