14mm & 18mm Air Operated Valve Holder

• For both 14mm and 18mm spark plug threads
• Commonly used when valve springs or valve stem seals are replaced
• Air pressure helps prevent the valve from falling into the combustion chamber
• Comes with two-step fitting for both 14mm and 18mm threads
• Heavy duty 12" flexible hose allows easy access to spark plug hole and air supply

Thread fitting to spark plug hole and other end to air supply. Skin-packed. Shipping wt. 4 oz.