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3mirrors Engine Air Valve Holder Pressure Pipe M14+M18 Thread to 1/4 NPT with Ball Valve, Cylinder Leakage Testing Assistant Tool Compatible with Mustang Ford GM Trucks LS1/LS2/LS3/4.8/5.3/6.0

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$15.99

$ 7 .99 $7.99

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  • This air tool 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.
  • Pump comes with M14 and M18 Threads to NPT with ball valve air pump quick connector, the inner hole is a 1/4NPT threaded interface. 14mm is the standard spark plug size for most vehicles.
  • HYBRID HOSE 3/8" 9.5MM i.D. 300PSI/20BAR, allows simply access to spark plug hole and air supply. Air pressure helps prevent the valve from falling into the combustion chamber.
  • 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.
  • Precision Manufacturing & High Quality Kit with gaskets and valve, match with our compression tool B07RGFHMJ4 , make your work more efficient. If you have any more questions, please feel free to let us help. Thanks!



Product Description

3mirrors Engine Air Valve Holder Pressure Pipe 1/4 NPT Cylinder Assistant Tool for LSs

3mirrors Engine Air Valve Holder Kit used to pressurize the cylinder to keep the valve closed under the action of compressed air. Therefore, the oil seal of the valve can be replaced without disassembly.

When the cylinder is in the compression stroke. If the engine airtightness is not good enough, you can hear the sound of constant air leakage. Diagnose damaged parts by listening to the leak location.

Our Pressure Pipe M14+M18 Thread to 1/4 NPT with Ball Valve. The connector of this tool must be installed in the position of the spark plug.

This kit can be used in gasoline engines, such as cars, trucks, ships, motorcycles, ATVs, etc. Not for use in diesel engine vehicles.

3mirrors Engine Air Valve Holder Pressure Pipe 1/4 NPT Cylinder Assistant Tool for LSs

Quality 1/4 NPT brass ball valve. M14+M18 to1/4NPT Brass fittings, Upgrade the nut at the end of the hose to screw in and out of the spark plug hole easier.

It's recommended to lubricate the thread and O-ring before use. The kit comes with 4 NBR O-rings.

3mirrors Engine Air Valve Holder Pressure Pipe 1/4 NPT Cylinder Assistant Tool for LSs

This Engine Air Valve Holder Works for LS cylinders. Pressurize the cylinder to help hold valves seal with compressed air to keep valves from dropping in the engine.

This kit can be used in gasoline engines, such as cars, trucks, ships, motorcycles, ATVs, etc. Not for use in diesel engine vehicles.

3mirrors Engine Air Valve Holder Pressure Pipe 1/4 NPT Cylinder Assistant Tool for LSs
3mirrors Engine Air Valve Holder Pressure Pipe M14+M18 Thread to 1/4 NPT with Ball Valve

3mirrors Engine Air Valve Holder Pressure Pipe M14+M18 Thread to 1/4 NPT with Ball Valve, Cylinder Leakage Testing Assistant Tool Compatible with Mustang Ford GM Trucks LS1/LS2/LS3/4.8/5.3/6.0

  • This tool can be used with our another popular Valve Spring Compressor Tool B07RGFHMJ4, will work better.

Firewolfd
Reviewed in the United States on March 6, 2025
Worked great, simple and easy, 2009 Silverado 5.3
Ed
Reviewed in the United States on February 13, 2024
This a very simple way to do abcylinder leak down.
jeff
Reviewed in the United States on November 13, 2023
The overall fit and finish is nice with the threads being well cut and accurate. The crimping on the hose is good. The quality of the valve is in direct relation to the price. The tool works as intended but not on a Ford 5.4L engine. The pocket I.D. on the Ford 5.4L engine is smaller than the diameter of the brass portion of the tool. I turned the brass down and installed a section of plumbing pipe that was just the correct height to clear the deck of the intake manifold. So basically consider this tool a parts kit for the 5.4L. I was pressed on time and this was faster than trying to find the parts and pieces individually . I initially had tried to modify a spark plug in the lathe and pounding out the ceramic center. But after a bit of time decided small bits of ceramic in my face was not worth the hassle and I ordered this tool.
Jr
Reviewed in the United States on August 29, 2022
For a 1 time use or 2 test fuel pressure