rpm shifting light?

[dion51]

is there a simple device out there? something that is adjustable without a gauge?

 

[TMR Net Shark]

Proform shift light, easy to install, works like a charm.

 

[Maxx Mazda]

Um... I use an out on my Haltech, about as simple as it gets... But if you wanna spend $3000 on a shift light, I say go for it!