Auto Meter 4828 Carbon Fiber Mechanical Nitrous Pressure Gauge Features: Advanced Air-Core Movement Precision Movement And Extreme Accuracy Ultimate High Performance Dial Face Look 1 Year Limited Warranty Height: 4.00 Width: 4.00 Length: 4.00 Weight: 1.00 lbs Vehicle Type: Auto Meter 4828 Carbon Fiber; Mechanical Nitrous Pressure Gauge