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Engine Building Tools
Showing In Stock Items. Show All 183 Items.
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Moroso Spark Plug Air Hose Kits
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
$51.29
MotoRad Cooling System Pressure Tester Adapters
Checking your cooling system and radiator cap is easy with MotoRad testers and tester accessories. MotoRad's adapters work with their radiator testers to enable you to hook up and test different types of radiators. Choose the one(s) that best fit your testing needs.
( 1 )
$35.79
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$113.99
Summit Racing™ Air Hold Adapters
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.
( 1 )
$14.99
ATI Damper Tool Installation Studs
ATI damper tool installation studs make your ATI damper puller/installer tool work for your engine. Removing and installing harmonic balancers is easier with the proper tools. ATI offers convenience with a variety of installer studs and puller bolts designed specifically for your balancer. They allow you to remove or install a harmonic balancer the easy way. Order the adapter size needed for your application.
( 14 )
$18.99
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$60.90
Motion Pro T-6 Combo Lever Adapters
Motion Pro T-6 combo lever adapters and hex adapters make your tool(s) more versatile. Adapters are available in various sizes that allow the use of your tool as a 3/8 in. driver with sockets for smaller front axles. They feature lightweight billet 7075 T-6 aluminum construction with a chrome vanadium steel insert, lightening holes, and knurled edges for turning sockets by hand. The T-6 combo lever hex adapters for axle nuts are CNC-machined from 6061 aluminum for precise fit and function. All adapters have a durable anodized finish with laser-engraved size markings for quick selection. Select the one(s) needed for your Motion Pro T-6 combo lever arsenal.
Not Yet Reviewed
$24.99
Performance Tool Air Hold Adapters
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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$11.99
Proform Engine Rotation Adapters
Proform engine rotation adapters rotate the crankshaft the proper way when turning the engine with the balancer already installed. They easily attach to the balancer and come in handy when assembling an engine or degreeing the cam--the crankshaft can be rotated with a 1/2 in. breaker bar or a 1 in. socket and breaker bar.
( 56 )
$27.99
S&G Tool Aid Diesel Tester Adapter for 6.7L Fords
S&G Tool Aid offers diesel compression tester adapters for 6.7L Ford applications. Product details include: * Designed for the 2011 and up Ford 6.7L Power Stroke V8 turbocharged diesel engine found in the F-Series vehicles. * 6 in. long hose allows for easy installation and removal around obstructions. * Use the glow plug hole as the testing port. * 8mm-1.00 thread.
( 1 )
$36.99
S&G Tool Aid Diesel Compression Tester Adapters
Expand your diagnostic ability with S&G Tool Aid diesel compression tester adapters. Tool Aid offers a large selection of adapters to use with their diesel compression tester. Adapters from Audi to Volvo and more are available for you to choose from.
Not Yet Reviewed
$29.99
Motion Pro Air-Cooled Engine Adapter Kits
Motion Pro's air-cooled engine adapter kits permit the use of their water-cooled 2-stroke timing kit on air-cooled engines with 14mm spark plugs. Each kit includes an extended thread adapter and dial indicator extension. Specs and features: * Adapter length installed is 55mm * Outside diameter is 19mm * Durable anodized aluminum finish
Not Yet Reviewed
$14.99
OTC GM Crankshaft Balancer Puller Kit and Adapter Sets
OTC GM crankshaft balancer puller and adapter kits will give you everything you need to pull balancers with three tapered holes. The OTC shoulder bolts are designed to prevent being installed too deeply, protecting the crank sensor interrupter rings from damage. The spacer adapter gives the pullers forcing screw something to push against. These OTC kits fits on 1990-2002 3.3 and 3.8L engines.
Not Yet Reviewed
$141.99
OTC Injector Seal Installer and Sizer Adapters
OTC injector seal installer and sizer adapters ensure replacement injectors and seals are installed correctly. Two different kits are available. Choose the appropriate one for your application. OTC kit 6757 installs the PTFE seal onto the end of the injector. The pilot cone is placed onto the end of the injector and the seal is started over the cone. The installer pushes the seal into the groove on the injector tip. The sizer goes over the seal to compress it back to the correct O.D. to allow installation into the cylinder head. OTC kit 6756 installs the dual seals onto the end of the injector. These seals must be installed into their grooves, and then sized to the engineered dimension before the injectors are installed into their bores in the cylinder head. Two seal installation pilots for each groove, a seal installer driver, and a compression sizer is included.
Not Yet Reviewed
$158.99
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$179.99
OTC Oil Priming Adapters
OTC oil priming adapters are used along with OTC's engine pre-luber kit to allow for proper engine pre-lubing and preventing dry starts after engine service. Part of their Detroit Diesel engine tools line, these adapters install into the oil priming port in the oil module.
( 1 )
$124.99
Motion Pro SyncPro Carburetor Tuner Adapter Sets
Motion Pro SyncPro carburetor tuner adapter sets are offered as replacements and accessories to use your SyncPro to its full potential. Your carb tuner originally included 5mm adapters, and those along with different 6mm sets available. Select the high-quality Motion Pro adapters needed for your SyncPro carb tuner. Adapter sets available: * 08-0013 -- Replacement carb adapter set -- Two long and two short 5mm brass tubes * 08-0040 -- Two long and two short 6mm brass tubes * O8-0168 -- Four 6mm short brass adapters Notes: * 5mm adapters are for use on many Honda® and Suzuki models * 6mm adapters are available for use on most Yamaha models * Most Kawasaki models do not need adapters
Not Yet Reviewed
$8.25
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$10.75
Trick Flow® Cam Degree Supplemental Kits
Now you can have perfect timing for your 4.6/5.4L Ford with these Trick Flow® cam degree supplemental kits. These supplemental kits are additional tools that, when used with a Trick Flow® cam degree kit, make degreeing your cam much easier! These Trick Flow® cam degree supplemental kits include a steel plate for the magnetic base, an adjustable set-up lash adjuster, an extension for the dial indicator, and an Allen key.
( 15 )
$52.99
Lisle Valve Holders
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 )
$16.99
BTR Valve Holding Tools
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.
( 2 )
$6.99
Trick Flow® Cam Degree Supplemental Kit Replacement Parts
Get your engine back into correct timing with these Trick Flow® cam degree supplemental kit replacement parts. From magnetic bases to indicator extensions, Trick Flow® has you covered.
( 5 )
$14.99
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$19.99
OTC Internal/External Threaded Adapters
OTC internal/external threaded adapter sets make it much easier to push and pull objects. OTC manufactures these adapters for use on push-pull legs or forcing screws to aid in the removal and installation of shafts, axles, and housings. Order the adapter that is best suited to fit your application.
Not Yet Reviewed
$31.99
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$45.99
Proform 14mm Spark Plug Adapters
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
OTC Motor-Rotor Repair Stand Engine Adapters
Mechanics and builders know that engine sizes vary greatly. If you own an OTC Motor-Rotor repair stand, these steel adapters easily attach and allow you to work on Ford 6.0 and 6.4 engines. Order a pair and always be prepared when you're tasked with servicing a Ford engine.
Not Yet Reviewed
$1,132.99
OEM Automotive Tools Flexible Air Valve Holders
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
Summit Racing™ Puller Shaft Threaded Adapters
These Summit Racing™ puller shaft threaded adapters are exact replacements for our Summit Racing™ harmonic balancer installer/removers. You can rest assured that if you lose or damage one of these adapters Summit Racing™ has you covered.
Not Yet Reviewed
$7.99
COMP Cams Air Operated Valve Holders
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
