This is the rectangular digital nitrous pressure guage with red display. This guage is a must if you like being consistant, its very accurate also. Its about the size of an average key fob. New it sells for 159 plus shipping, SOLD. Its in very good condition. I take PayPal & can do COD if I have to.
http://www.dynotunenitrous.com/store...?idcategory=44

 

sold!