3mirrors
0 ratings
3mirrors Engine Air Valve Holder Pressure Pipe M10 M12 M14 M18 Thread to 1/4 NPT w/Ball Valve, Cylinder Leakage Testing Tool for Most LS Engine Compatible with Mustang Ford GM
3mirrors Engine Air Valve Holder Pressure Pipe M10 M12 M14 M18 Thread to 1/4 NPT w/Ball Valve, Cylinder Leakage Testing Tool for Most LS Engine Compatible with Mustang Ford GM
3mirrors Engine Air Valve Holder Pressure Pipe M10 M12 M14 M18 Thread to 1/4 NPT w/Ball Valve, Cylinder Leakage Testing Tool for Most LS Engine Compatible with Mustang Ford GM
3mirrors Engine Air Valve Holder Pressure Pipe M10 M12 M14 M18 Thread to 1/4 NPT w/Ball Valve, Cylinder Leakage Testing Tool for Most LS Engine Compatible with Mustang Ford GM
3mirrors Engine Air Valve Holder Pressure Pipe M10 M12 M14 M18 Thread to 1/4 NPT w/Ball Valve, Cylinder Leakage Testing Tool for Most LS Engine Compatible with Mustang Ford GM
3mirrors Engine Air Valve Holder Pressure Pipe M10 M12 M14 M18 Thread to 1/4 NPT w/Ball Valve, Cylinder Leakage Testing Tool for Most LS Engine Compatible with Mustang Ford GM
genuine image
3mirrors Engine Air Valve Holder Pressure Pipe M10 M12 M14 M18 Thread to 1/4 NPT w/Ball Valve, Cylinder Leakage Testing Tool for Most LS Engine Compatible with Mustang Ford GM
3mirrors Engine Air Valve Holder Pressure Pipe M10 M12 M14 M18 Thread to 1/4 NPT w/Ball Valve, Cylinder Leakage Testing Tool for Most LS Engine Compatible with Mustang Ford GM
3mirrors Engine Air Valve Holder Pressure Pipe M10 M12 M14 M18 Thread to 1/4 NPT w/Ball Valve, Cylinder Leakage Testing Tool for Most LS Engine Compatible with Mustang Ford GM
3mirrors Engine Air Valve Holder Pressure Pipe M10 M12 M14 M18 Thread to 1/4 NPT w/Ball Valve, Cylinder Leakage Testing Tool for Most LS Engine Compatible with Mustang Ford GM
3mirrors Engine Air Valve Holder Pressure Pipe M10 M12 M14 M18 Thread to 1/4 NPT w/Ball Valve, Cylinder Leakage Testing Tool for Most LS Engine Compatible with Mustang Ford GM
3mirrors Engine Air Valve Holder Pressure Pipe M10 M12 M14 M18 Thread to 1/4 NPT w/Ball Valve, Cylinder Leakage Testing Tool for Most LS Engine Compatible with Mustang Ford GM
3mirrors Engine Air Valve Holder Pressure Pipe M10 M12 M14 M18 Thread to 1/4 NPT w/Ball Valve, Cylinder Leakage Testing Tool for Most LS Engine Compatible with Mustang Ford GM
Engine Air Valve Holder is widely used in almost all LS engines, designed for efficient valve spring replacement and leak diagnosis.
3mirrors Engine Air Valve Holder Pressure Pipe M10 M12 M14 M18 Thread to 1/4 NPT w/Ball Valve, Cylinder Leakage Testing Tool for Most LS Engine Compatible with Mustang Ford GM
Item #: 96374877

3mirrors Engine Air Valve Holder Pressure Pipe M10 M12 M14 M18 Thread to 1/4 NPT w/Ball Valve, Cylinder Leakage Testing Tool for Most LS Engine

Item #: 96374877

MMK 69314

Price Details

Excluding Shipping & Custom charges ( Shipping and custom charges will be calculated on checkout )

*All items will import from US

0 ratings Write a review

50+ bought

In stock
us Imported from USA store

QTY:

Order now and get it around Thursday, August 06
Secured transactionsecured transaction

Ubuy works hard to protect your security and privacy. Our advanced payment security system ensures confidentiality by encrypting your information during transmission using AES (Advanced Encryption Standards) and SSL (Secure Socket Layer) protocols. Your payment details are 100% secure as we do not share your payment details with third party sellers.

Our Top Logistics Partners
  • fedex
  • dhl
Engine Air Valve Holder is widely used in almost all LS engines, designed for efficient valve spring replacement and leak diagnosis.
Please enter vehicle details

U-Care Warranty:
None
Select a Plan
fast shipping

Fast
Shipping

free return

Free
Return*

secure packaging

Secure Packaging

100% original products

100% Original Products

pci-dss

PCI DSS Compliance

iso certified

ISO 27001 Certified

paypal payment
visa payment
mastercard payment
Note: Step Down Voltage Transformer required for using electronics products of US store (110-120). Recommended power converters Buy Now.

What Stands Out

Versatile Fit
This tool accommodates M10, M12, M14, and M18 threads, enhancing compatibility with a variety of LS engines, including popular models like Mustang and GM, making it a must-have for diverse automotive applications.
High Precision
Engineered for accurate cylinder leakage testing, this product ensures reliable diagnostics, effectively identifying issues that could affect engine performance, thus benefiting both hobbyists and professional mechanics.
Durable Construction
Built with premium materials, this pressure pipe and valve holder withstands rigorous use, ensuring longevity and reliability, providing excellent value for users looking for a trustworthy solution in engine maintenance.

Product Details

Shop 3mirrors Engine Air Valve Holder Pressure Pipe M10 M12 M14 M18 Thread to 1/4 NPT w/Ball Valve, Cylinder Leakage Testing Tool for Most LS Engine Compatible with Mustang Ford GM online at a best price in Myanmar. B0D4YRFGNP
  • Hose kit comes with M10, M12, M14 and M18 threads to NPT with ball valve air pump quick connector, the inner hole is a 1/4NPT threaded interface. Engine Air Valve Holder is widely use in almost all LS engines. It can be used for gasoline engine, car, truck, boat, motorcycle, ATV, etc. (Can't be used for diesel engines)
  • This air valve hose kit works when replacing valve springs or valve stem seals, pressurizing the cylinder to help keep the valve closed with compressed air. Damaged parts can also be diagnosed by the sound and location of engine leaks during compression.
  • Hose I.D. : 3/8" /9.5mm. Working pressure: 30PSI≤P≤300PSI (2BAR≤P≤20BAR), allows simply access to spark plug hole and air supply. Air pressure helps prevent the valve from falling into the combustion chamber.
  • The sparkplug must be removed and Install the joint on the location of the spark plug when using the pressure hose with M10+M12 or M14 +M18 thread to NPT.
  • If you have any more questions for this engine air valve holder pressure pipe kit, please feel free to let us help. Thanks!

Product Technical Details

Manufacturer‎3mirrors
Brand‎3mirrors
Model‎Engine Air Valve Holder Pressure Pipe
Item Weight‎7.8 ounces
Package Dimensions‎12.05 x 2.28 x 1.02 inches
Item model number‎014GM02
Manufacturer Part Number‎014GM02

Who Should Buy?

Suitable For
  • Automotive Technicians

    Ideal for automotive professionals who perform engine testing and repairs on LS engines, providing reliability and accuracy.

  • DIY Enthusiasts

    Great for car enthusiasts who enjoy working on LS engines and need a reliable tool for leakage testing.

  • Engine Builders

    Perfect for engine builders looking for a cost-effective and efficient way to conduct cylinder leakage tests.

Not Suitable For
  • Casual Drivers

    Not suitable for everyday drivers who do not perform engine maintenance or testing activities themselves.

Product Description

Have any Query? Chat with us

Customer Questions & Answers

  • Question: What is the purpose of the 3mirrors Engine Air Valve Holder?

    Answer: The 3mirrors Engine Air Valve Holder is designed to help mechanics test for cylinder leakage in most LS engines efficiently. By connecting the tool to the engine’s air valve, you can apply air pressure to determine if there are any leaks present in the cylinder. This process not only assists in diagnosing engine issues but also helps in optimizing engine performance. For example, if you're experiencing a drop in power or increased oil consumption, using this tool can pinpoint problems like worn piston rings or faulty valves.
  • Question: What sizes of threads does this tool accommodate?

    Answer: This tool is versatile, accommodating thread sizes M10, M12, M14, and M18, which makes it suitable for a wide range of engine applications. The flexibility in sizing allows this testing equipment to be used with various vehicle models, enhancing its utility for automotive technicians and enthusiasts alike. Whether you're working on a performance build or maintaining a standard vehicle, this tool ensures you have the right fit for your needs.
  • Question: How do you use the cylinder leakage testing tool?

    Answer: Using the cylinder leakage testing tool involves a straightforward process. First, connect the appropriate thread size adapter to the cylinder head. Next, attach the 1/4 NPT side to your air source. After ensuring all connections are secure, apply air into the cylinder and monitor the gauge for any drop in pressure indicating a leak. This method allows you to quickly identify problems without excessive disassembly, making it ideal for quick diagnostics in both professional and DIY setups.
  • Question: Is the ball valve included in this tool essential?

    Answer: Yes, the included ball valve is essential as it allows for precise control of air flow during testing. By controlling the air input, you can maintain consistent pressure and monitor for leaks effectively. This feature enhances the reliability of your diagnosis by providing a tangible readout for pressure changes, which can indicate the health of the engine's components. This is particularly useful in critical situations where accurate measurements are necessary for performance evaluation.
  • Question: Can this tool be used for engines other than LS?

    Answer: While the 3mirrors Engine Air Valve Holder is specifically designed for most LS engines, it can also be adapted for various other engines with compatible thread sizes. This adaptability makes it a valuable addition to your toolbox, especially if you frequently work on multiple vehicle types. However, it’s important to ensure that the connection sizes match the engine specs to achieve optimal testing results.
  • Question: What materials are used in the construction of this tool?

    Answer: The 3mirrors Engine Air Valve Holder is constructed from high-quality materials designed to withstand the rigors of engine testing. This durability ensures the tool can endure high pressures and repeated use without degradation. Additionally, the robust design means that you can rely on its performance during critical engine diagnostics, making it a worthwhile investment for any automotive technician.
  • Question: What are the benefits of conducting cylinder leakage tests?

    Answer: Conducting cylinder leakage tests can significantly benefit engine maintenance by identifying leaks that may lead to performance issues. These tests help you detect problems early, which can save time and costly repairs in the long run. For example, identifying a leaking valve seat early on can prevent extensive engine damage that might require a full rebuild. Thus, this testing tool is crucial for both preventive maintenance and performance tuning.
  • Question: Are there any specific engine models this tool is designed for?

    Answer: The 3mirrors Engine Air Valve Holder is explicitly designed for most LS engine models, which are popular in various vehicles, including Chevrolet and GMC. However, adaptors for other thread sizes allow for broader compatibility, making it useful for different applications. Mechanics working on modified vehicles, or custom builds, will find this tool particularly advantageous given its versatility across multiple engine platforms.
  • Question: Is this tool suitable for both professional mechanics and DIY enthusiasts?

    Answer: Absolutely! The 3mirrors Engine Air Valve Holder is user-friendly, making it suitable for both seasoned mechanics and DIY enthusiasts. Its straightforward operation and robust design allow anyone with basic automotive knowledge to conduct cylinder leakage tests effectively. Whether you're a professional in a busy shop or a hobbyist working on your project car, this tool is an invaluable asset for diagnosing engine health.
  • Question: Where can I buy the 3mirrors Engine Air Valve Holder?

    Answer: You can purchase the 3mirrors Engine Air Valve Holder at Ubuy in Myanmar. Ubuy offers a reliable platform for acquiring quality automotive tools, including this cylinder leakage testing tool, ensuring you receive the right product tailored to your needs. Shopping through Ubuy also provides you with various options and convenient service, enhancing your overall buying experience.

3mirrors Valve Train Tools ‎014GM02 Editorial Review

No editorial reviews found

Customer Reviews & Ratings

4.4
63 customers ratings
  • 5 Star
    72%
  • 4 Star
    14%
  • 3 Star
    4%
  • 2 Star
    7%
  • 1 Star
    3%

Review this product

Share your thoughts with other customers

Platform Trust & Buyer Confidence

trustpilot logo
4.3/5 9200 + reviews
Read reviews
MA
Mohammad
Verified buyer

“Excellent quality and original too,when ubuy send original things I will appreciate that ,I very satisfied thank you”

23 July 2026 · via Trustpilot
CK
Chitra
Verified buyer

“The order and delivery progress was communicated very well. Package arrived within the estimated time. Products arrived as expected in good condition.”

22-Jul-26 · via Trustpilot
K
kund
Verified buyer

“Good supply of products. Safe payment methods, and shipment worldwide! Genuine products.”

23-Jul-26 · via Trustpilot
OO
Onesi
Verified buyer

“Was my first time buying a product from Ubuy, but I found it so helpful. This is reliable. Gonna place a new order!”

22 July 2026 · via Trustpilot
SJ
SAO JOHN
Verified buyer

“Ubuy is a great online platform to buy stuff. Reliable, fast delivery time and great value for money. I've been using Ubuy online shopping platform for three years now and will continue to do so.”

23 July 2026 · via Trustpilot
Secure Checkout Global Delivery Easy Returns Genuine Products

Product Price History

Important information

  • Limitations : For products shipped internationally, please note that any manufacturer warranty may not be valid; manufacturer service options may not be available; product manuals, instructions, and safety warnings may not be in destination country languages; the products (and accompanying materials) may not be designed in accordance with destination country standards, specifications, and labeling requirements; and the products may not conform to destination country voltage and other electrical standards (requiring use of an adapter or converter if appropriate). The recipient is responsible for assuring that the product can be lawfully imported to the destination country. When ordering from Ubuy or its affiliates, the recipient is the importer of record and must comply with all laws and regulations of the destination country.
  • Not all the products listed on Ubuy are for sale, as Ubuy is a global search engine. Products are subject to export/trade regulations.

MMK 69314

Order now and get it around Thursday, August 06

QTY:

Secured transactionsecured transaction

PCI DSS compliant and ISO 27001:2022 certified, with encrypted payments and full buyer protection on every order.

Our Top Logistics Partners
  • fedex
  • dhl
Fastest cross-border delivery

Features & Benefits

  • Compatible with almost all LS engines.
  • Includes M10, M12, M14, and M18 thread options.
  • Facilitates valve spring and stem seal replacement.
  • Supports diagnostics for engine leaks during compression.
  • Ideal for gasoline engines across various vehicles.
  • Operates at a working pressure of 30-300 PSI.

Ubuy Assurance

Experience worry-free shopping with 100% original products, PCI DSS-compliant payment security, ISO 27001-certified data protection, the fastest cross-border delivery, free returns *, and secure packaging on every order.