08-1827 - Bolt on Tachometer Kit 1800C - Upshift your cruiser with another stylish necessity from Cobra. Complete with an 8,000 RPM tach, along with a chromed billet mount and easy to install instructions. With its contrasting black digits on a white face, our tach makes it a breeze to keep track of your high performance cruiser. Shift up to Cobra, you'll be glad you did.