Longacre 50887 Digital Air Density Gauge 70 - 130% Image1
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Longacre Digital Air Density Gauge 70 - 130%

  • Air Density Gauge

  • Longacre Quality

  • Highly Accurate

Product Details

Digital Air Density Gauge 70%-130%

Keep Your Motor Running at its Peak Horsepower

  • Accurateelectronic Air Density measurementwith easy-to-read digital display
  • Shows your baseline so you don't forget
  • ARed LEDflashes to let you know if you need to change jets (air density changed by +/- 5%)
  • Also displays current temp and barometric pressurewith the push of a button
  • Battery indicator on display
  • Auto shutoff
  • Foam lined silver carrying case included


Air density or RAD (relative air density) is used as a valuable tuning tool to keep your jetting at its optimum. To use this gauge get a box of spark plugs and work on your jetting, reading the plugs as you go.


When you get the motor just where you want it, record the air density or set the baseline on the digital air density gauge. Later - this could be later today, tomorrow, next week or next month - if the air density changes - and it will - you will instantly know how much to rejet to keep that peak.



Range: 70% - 130%
Gauge Size: 4" x 1 3/4"
Display Size: 2 1/2" x 1"
Case Included: Yes
Case Size: 4 3/4" x 3 1/4"
Replacement Battery: CR2032
Auto Shutoff: Yes
Backlight: No


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