
22540 Comparison
| photo | price | summary | rating |
|---|---|---|---|
![]() | $216.00 | Condition is New, JB INDUSTRIES Manifold Gauge PATRIOT, 2-Valve, KOBRA Hoses, 22540, r-4IOa, NEW, FREE SHIPPING | 99.4% |

The JB Products JB 22540 Manifold Gauge is an essential accessory for R4 IOA (Intercooled Over-Achiever) engines, particularly those using the Patriot 2-valve Kobra engine. This high-performance gauge kit is designed to provide accurate and real-time readings of your engine's manifold pressure, ensuring optimal engine performance and power output.
The JB 22540 Manifold Gauge is meticulously engineered to deliver unparalleled accuracy and durability. The anodized aluminum housing is not only attractive but also resilient against corrosion and wear. The 3-inch (76 mm) dial features a crisp, white-faced design with bold, easy-to-read numbers and markings. The dial is illuminated with a bright, red backlight, making it easily visible during nighttime driving or low-light conditions.
The JB 22540 Manifold Gauge comes with a pair of R-4 IOA compatible Kobra hoses. These hoses are crafted from high-quality, reinforced rubber with reinforced fittings, ensuring a secure and leak-free connection to your engine. The hoses are designed to withstand the extreme temperatures and pressures encountered in high-performance applications, making them an excellent choice for demanding R4 IOA engines.
The JB 22540 Manifold Gauge is easy to install, requiring no modifications to your engine or wiring harness. It is designed to plug directly into the existing manifold pressure sensor connector, making it a straightforward addition to your engine bay. The included instructions and mounting hardware make installation a breeze, even for those with minimal mechanical experience.
The JB 22540 Manifold Gauge is more than just a performance accessory; it is an indispensable tool for any R4 IOA engine enthusiast or racer. By providing accurate and real-time data on your engine's manifold pressure, it enables you to fine-tune your engine settings for maximum power and efficiency. Whether you're cruising on the highway or pushing your engine to the limit on the track, the JB 22540 Manifold Gauge is an essential companion.
In conclusion, the JB Products JB 22540 Manifold Gauge is a high-quality, accurate, and durable accessory designed specifically for R4 IOA engines with Patriot 2-valve Kobra engines. It comes with a pair of compatible Kobra hoses, is easy to install, and provides real-time data on manifold pressure for optimal engine performance and power output. If you're an R4 IOA engine enthusiast or racer looking to take your engine to the next level, the JB 22540 Manifold Gauge is an excellent investment.
Pros and Cons of Buying JB 22540 Manifold Gauge for Patriot 2-Valve Kobra R-4IOA
Introduction:The JB 22540 Manifold Gauge is a popular aftermarket accessory for the Patriot 2-Valve Kobra R-4IOA engine. This gauge provides real-time information about the engine's cooling system, helping users monitor engine temperature and maintain optimal performance. In this analysis, we will explore the advantages and disadvantages of purchasing this product.
Pros:1. Real-time engine temperature monitoring: The JB 22540 Manifold Gauge allows users to keep track of their engine temperature in real-time, enabling them to identify any potential issues before they become major problems.
2. Improved engine performance: By monitoring engine temperature, users can ensure their engine remains within the optimal operating range, leading to improved engine performance and longevity.
3. Easy installation: The JB 22540 Manifold Gauge comes with clear instructions and is generally considered an easy installation process, taking around 30 minutes to complete.
4. Durable construction: The gauge is made of high-quality materials, ensuring it can withstand the rigors of regular use and harsh environmental conditions.
5. Useful additional features: The JB 22540 Manifold Gauge includes additional features such as a pressure relief valve, which helps prevent damage to the engine in case of overheating.
Cons:1. Additional cost: Installing an aftermarket manifold gauge like the JB 22540 adds an additional cost to the vehicle. Some users may find the price tag prohibitive.
2. Potential for inaccurate readings: While the JB 22540 Manifold Gauge is generally considered accurate, there have been reports of inaccurate readings in some cases. This could lead to confusion or incorrect assumptions about engine performance.
3. Requires regular calibration: To ensure accurate readings, the JB 22540 Manifold Gauge requires occasional calibration. This can be a time-consuming process and may involve the use of specialized tools.
4. Potential for user error: Improper installation or incorrect use of the JB 22540 Manifold Gauge could result in inaccurate readings or even damage to the engine.
Conclusion:The JB 22540 Manifold Gauge offers numerous benefits for users of the Patriot 2-Valve Kobra R-4IOA engine, including real-time engine temperature monitoring, improved engine performance, and durable construction. However, it also comes with some disadvantages, such as additional cost, potential for inaccurate readings, and the need for regular calibration. Ultimately, whether or not to purchase this product depends on individual user needs and preferences.
Recommendation:If you are an avid user of your Patriot 2-Valve Kobra R-4IOA engine and value real-time engine temperature monitoring for optimal performance and engine longevity, the JB 22540 Manifold Gauge is an excellent investment. However, if you are on a tight budget or prefer a more straightforward temperature monitoring solution, you may want to consider alternative options. Always ensure proper installation and regular calibration to ensure accurate readings and prevent potential damage to your engine.
Details:
Patriot 2-valve brass manifold product number: 22540: 3-1/8 80mm 410a w/Colby-60 hose set. Dimensions: length n/a, width n/a, height n/a, depth/a, weight/a. Charging manifold. Features rugged bar design paired with easy-to-grip metal handles original free floating dual o-ring sealing system for faster evacuation and charging surge dampened gauges reduced needle movement 360 swiveling hose holders pull-out proof hanging hook easy-to-turn hand wheels solid brass forging 1 year warranty; lifetime on bar, model number: 22540.
Specifications: quantity per pack 1 pack, temperature/a, usage/a, battery lien/a, etc.n/a.
specifications maxohvac:
- brand: Jb Industries
- mpn: 22540
- type: Manifold, Gauge Hose Set
- gauge purpose: Charging, Pressure, Temperature, Vacuum
- manufacturer warranty: 1 Year
- refrigerant: R-4ioa
- color: Multicolor
- features: Mechanical
- country of origin: United States
- gauge fill: Dry
seller maxohvac:
- # reviews: 149685
- city: hartford, wisconsin
- rating: 99.4%
returns maxohvac:
- policy: no returns
payments maxohvac:
- credit card: mastercard
- other
- wallet: apple-pay
shipping maxohvac:
- service: ups ground saver
- transit: 6-10 days
- carrier: ups
- class: economy
- type: calculated
general maxohvac:
- category: Business & Industrial > Tools > Hvac Refrigeration: Gauges Probes
offer maxohvac:
- sold #: 9
- started: december 20, 2025
- price: $216.00
- item condition: New
- options: ship-to-home
- availability: in stock
- in stock #: 1
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