{"id":9137741332717,"title":"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","handle":"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","description":"\u003ch3\u003e3mirrors 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\u003c\/h3\u003e\r\n\u003cp id=\"b\"\u003e\u003c\/p\u003e \r\n\r\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\r\n \u003cul class=\"a\"\u003e\r\n \u003cli\u003eHose 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)\u003c\/li\u003e\r\n \u003cli\u003eThis 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.\u003c\/li\u003e\r\n \u003cli\u003eHose I.D. : 3\/8\" \/9.5mm. Working pressure: 30PSIP300PSI (2BARP20BAR), allows simply access to spark plug hole and air supply. Air pressure helps prevent the valve from falling into the combustion chamber.\u003c\/li\u003e\r\n \u003cli\u003eThe 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.\u003c\/li\u003e\r\n \u003cli\u003eIf you have any more questions for this engine air valve holder pressure pipe kit, please feel free to let us help. Thanks!\u003c\/li\u003e\r\n \u003c\/ul\u003e","published_at":"2025-10-13T20:50:22+11:00","created_at":"2025-10-13T20:50:19+11:00","vendor":"3mirrors","type":"Valve Train Tools","tags":["AUTO_bestsellers_Oct2025"],"price":14300,"price_min":14300,"price_max":14300,"available":true,"price_varies":false,"compare_at_price":null,"compare_at_price_min":0,"compare_at_price_max":0,"compare_at_price_varies":false,"variants":[{"id":48865590575341,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"B0D4YRFGNP","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"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","public_title":null,"options":["Default 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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\u003c\/h3\u003e\r\n\u003cp id=\"b\"\u003e\u003c\/p\u003e \r\n\r\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\r\n \u003cul class=\"a\"\u003e\r\n \u003cli\u003eHose 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)\u003c\/li\u003e\r\n \u003cli\u003eThis 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.\u003c\/li\u003e\r\n \u003cli\u003eHose I.D. : 3\/8\" \/9.5mm. Working pressure: 30PSIP300PSI (2BARP20BAR), allows simply access to spark plug hole and air supply. Air pressure helps prevent the valve from falling into the combustion chamber.\u003c\/li\u003e\r\n \u003cli\u003eThe 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.\u003c\/li\u003e\r\n \u003cli\u003eIf you have any more questions for this engine air valve holder pressure pipe kit, please feel free to let us help. Thanks!\u003c\/li\u003e\r\n \u003c\/ul\u003e"}