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Rapid Deflation, Simplified.
Airing Down Will Never Be The Same
Achieve precise off road tire pressure in seconds with the all-new Lightning RX4, ensuring optimal traction and performance on any 4x4 terrain.
JACO Lightning RX4 Rapid Tire Deflator
The New Gold Standard in Air Down Tools
Experience superior traction, handling, and off-road performance with properly optimized tire pressure using the all-new Lightning RX4. Features a patented, self-locking deflator nozzle that quickly locks on to the tire valve stem and removes the valve core for unparalleled deflation speeds. The built-in, calibrated air gauge allows you to easily check your tire pressure, and the quick-release button instantly detaches the deflator from your tire valve stem.
Key Features
Unmatched Speed
Features an "auto-grab" tire valve core remover which quickly and securely removes the tire valve core, allowing for unparalleled deflation speeds.
High Accuracy
The built-in 0-60 PSI gauge is calibrated accurate to exceed ANSI B40.1 international accuracy standards.
Push-to-Lock Connection
Achieve a quick, secure, and airtight seal to the tire valve stem, without hassle, thanks to our patented "push-to-lock" nozzle.
Swift Detachment
Instantly detach the deflator from the tire valve by tapping the quick-release button.
Over 35 Years of Experience
The JACO Difference
JACO tools are designed and engineered at our locations in Colorado and Illinois, and performance tested in the demanding off-road trails of the Rocky Mountains by our team of experts with over 35 years of experience serving the automotive industry.
What's In The Kit?
- Tire Deflator/Gauge
- Padded Storage Pouch
- Valve Tool + Replacement Valve Cores (4 pcs)
jeff revill
Reviewed in the United States on March 2, 2025
I live in Tennessee andthe weather changes and I try to keep my tires properly inflated for Performance and longevity. I also race a car at the track requiring constant monitoring of the pressure in my rear tires primarily. This device works easily. There is somewhat of a learning curve, but once you get it, it’s easy to.
Trent Homard
Reviewed in the United States on February 14, 2025
Awesome product. Great build quality, easy and satisfying to use (once you read the instructions), and deflates SUPER quickly! I use it to air down my ‘97 Land Cruiser. No complaints.
Mike
Reviewed in the United States on April 15, 2025
Love it! Makes airing down so easy and the gauge is pretty accurate too. Now I just need a way to air up faster.
dachau
Reviewed in the United States on August 6, 2024
I have tried a few different deflators in the past from ones that you just screw on and stop automatically to ones like this with valve stem removals but I think this is so far my favorite. I always felt the need to double check the screw on ones to make sure they are actually deflating to the correct PSI and found they are not super reliable or consistent. And the other tools I've used didn't include a gauge making it just an extra step to remove and test the psi.This new design is really nice and quick without the need of extra steps of removing the tool to check the PSI. So far this is super convenient and accurate.
Corey
Reviewed in the United States on August 27, 2024
I was recommended this product by a friend of mine and I was not disappointed. I've been used Jaco's quick deflator for the past few trails and I'm extremely impressed. Build quality is very good and the design is simple. It deflates much fast then all the other styles of tire deflatoras that I've tried and is simple to use. The quick connect and disconnect on to the valve stem is extremely convenient. While my brother has to screw his on , my Jaco just clicks on, holds the seal and deflates quickly. If you find yourself deflating your tires then this is a must have tool.
Morris G
Reviewed in the United States on August 1, 2024
When it comes to off-roading, maintaining the right tire pressure is crucial for both performance and safety. The JACO Lightning RX4 Tire Deflator with Gauge has revolutionized my off-road preparations, making tire deflation incredibly easy and efficient.Unboxing and First Impressions:The first thing that stands out about the JACO Lightning RX4 is its solid construction and premium feel. Built with durable materials, this tool is designed to withstand the harsh conditions of off-roading. The high-quality gauge is easy to read, providing accurate pressure readings up to 60 PSI.Quick Connect for Effortless Use:One of the most impressive features of the JACO Lightning RX4 is its quick-connect mechanism. Unlike traditional tire deflators that require screwing onto the valve stem, the Lightning RX4’s quick-connect system makes it incredibly easy to use. Simply snap it onto the valve stem, and you're ready to go. This feature saves a lot of time and hassle, especially when you're out on the trail and need to adjust tire pressure quickly.Rapid Deflation for Maximum Efficiency:The JACO Lightning RX4 lives up to its name by providing rapid deflation. Once connected, it allows you to deflate your tires quickly and precisely. The built-in gauge lets you monitor the pressure in real-time, ensuring you achieve the exact PSI needed for optimal off-road performance. This is particularly useful when transitioning between different terrains, as you can easily adjust your tire pressure to suit the conditions.Durable and Reliable:The rugged design of the JACO Lightning RX4 means it can handle the demands of off-road use. It’s built to last, withstanding dirt, mud, and rough handling without any issues. This reliability gives me confidence that it will perform flawlessly every time I need it.Why It's the Best Choice for Off-Road Enthusiasts:Overall, the JACO Lightning RX4 Tire Deflator with Gauge is a game-changer for off-road enthusiasts. Its quick-connect feature, rapid deflation capability, and durable construction make it the easiest and most efficient tool for adjusting tire pressure. Whether you're an experienced off-roader or just starting out, this tool will undoubtedly enhance your off-road experience.Final Thoughts:If you’re serious about off-roading, the JACO Lightning RX4 is a must-have tool. It simplifies the tire deflation process, allowing you to focus more on the adventure and less on equipment adjustments. With its ease of use, accuracy, and durability, it’s hands down the best tire deflator on the market.
Nick K
Reviewed in the United States on October 8, 2024
Love this thing, it makes airing down so much easier. It used to take me 2-3 minutes a tire to air down from 35 psi to 20, but this thing helps cut that down to about 60 seconds to take my (new) tires from 45 psi to about 20, and the gauge is more reliable than the one that came with my compressor, so I use it as a pressure gauge when re-inflating as well. It’s a bit pricey, but if you’re gonna use it more than a couple times a year, it’s a great time saver and super easy to use!
Edward P.
Reviewed in the United States on October 1, 2024
I'm a big fan of this tool! The quick connect saves time unscrewing and prevents cross threading on the valve stem. The gauge is accurate and well cased so it will hopefully stay that way. The core remover and air release mechanisms are made of trustworthy metal that function exactly as described, no fiddling needed, no leaking. Even the packaging and enclosed instructions were well thought out and speak further to the quality and care that Jaco puts into their products.This tire deflator is an excellent tool for a great price. I recommend it
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