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Showing In Stock Items. Show All 8 Items.
Moroso spark plug air hose kits are designed to give you more clearance when using a compression tester or changing valve springs. They include a 12 in. air hose with 14mm and 18mm threaded adapters to fit the spark plug hole in the cylinder head.
( 10 )
$56.99
Performance Tool air hold adapters allow valve spring changes without cylinder head removal. Simply screw an adapter into the cylinder head's spark plug hole, pressurize the cylinder with compressed air to between 90 and 120 psi, and you're ready to remove the springs.
( 62 )
$9.99
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$13.99
Our Summit Racing™ air hold adapters allow valve spring changes without cylinder head removal. Simply screw an adapter into the cylinder head's spark plug hole, pressurize the cylinder with compressed air to between 90 and 120 psi, and you're ready to remove the springs.
Not Yet Reviewed
$14.99
These Proform long-reach 14mm adapters allow you to easily work on long spark plug holes. These adapters screw into 14mm spark plug holes.
( 1 )
$9.99
On Sale
If you're leaving the heads on your engine while doing a cam and/or spring swap, keep things simple with BTR's pneumatic valve holding tool. Thread the tool into the cylinder you're working on, pressurize it with your compressor, and work away knowing that your valves will never leave you. Life's better with BTR valve holding tools.
( 1 )
$6.99
$6.29
OEM Automotive Tools flexible air valve holders are designed for 14mm and 18mm spark plug holes. Made of high-quality materials they ensure long-lasting durability in daily shop use. They're capable of reaching into tight areas, making painful jobs a breeze. So, if you're looking for a high-quality air valve holder, OEM Automotive Tools has you covered.
( 4 )
$29.99
COMP Cams air operated valve holders allow valve spring changes without cylinder head removal. Simply screw an adapter into the cylinder head's spark plug hole, pressurize the cylinder with compressed air to between 90 and 120 psi, and you're ready to remove the springs.
( 2 )
$51.95
Lisle valve holders offer 2-step fitting for both 14mm and 18mm spark plug threads. When you replace valve springs or valve stems seals, air pressure helps prevent valves from falling into the combustion chamber. They come with two-step fitting for both 14mm and 18mm threads and feature a heavy-duty 12 in. flexible hose for easy access to the spark plug hole and air supply.
( 26 )
$14.99
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