KOSO® - X-1 Boost Gauge

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Product Details

Universal X-1 Boost Gauge by KOSO®. Today many horsepower enthusiasts are upgrading their engine with Turbo or Supercharger. For this reason KOSO came up with this basic X-1 Boost Gauge with warning and peak functions. Made to resist cold temperature water or dust the X-1 Boost Gauge can be adapted to any engine with turbo or supercharger. The changeable scale from 15 to 30 psi, the warning, and peak recall functions make it a great tool.


  • Fits 48 mm V-type bracket.


Display scale: 15 or 30 psi
Display internal: 0.5 psi
Peak recall: For positive or negative psi
Automatic warning function: Over 15 psi / Over 30 psi
Power required: AC/DC 12 V
Waterproof: JIS D 0203
Meter size (W x L x H): 99.5 x 42 x 22.5 mm
Meter Weight: ±85g


  • Basic boost gauge for turbo and supercharged machines
  • Settable warning from 1psi-30psi
  • Display scale 15 or 30psi
  • Programmable warning and recall functions
  • Works on 12 volt AC/DC systems
  • Expertly crafted from the highest grade materials
  • Exquisite workmanship and solid design
  • Will provide honest value and rugged dependability

KOSO® is synonym of quality and performance for more than 30 years! Designing and manufacturing high-quality products, KOSO are well-known in the motorcycle, snowmobile, ATV and scooter industries. In fact, its good reputation for reliability and innovation capability made KOSO company a source for many major OEM companies. Whether KOSO manufactures a product under private label, OEM or aftermarket product, the quality always remains a priority. Bringing new technologies and innovative product is also part of KOSO’s philosophy as well as constantly pushing the limit further.

Part Number:

Vehicle Fitment

This part is universal


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KOSO® - X-1 Boost Gauge

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