Truck / SUV
Jeep®
Restoration
Stock Replacement
Late Model Muscle
Tools
Gifts, Clothing, & More
Circle Track
Street Rod
Powersports
Paint & Body
Marine
Jr Dragster
Availability
Engine Building Tools
Showing In Stock Items. Show All 32 Items.
Longacre Replacement Leakdown Tester Hoses
Longacre replacement leakdown tester hoses are direct replacements for Longacre leakdown testing tools. Each hose is manufactured from high-quality materials and contains a heavy-duty fitting. These hoses come in two different fitting sizes for use on a variety of applications.
Not Yet Reviewed
$38.99
—
$43.99
Summit Racing™ Engine Preluber/Fluid Transfer Kits
Extend the life of your expensive engine, reduce maintenance, and make starting easier with the help of our Summit Racing™ engine preluber/fluid transfer kits. They are designed to prelube and prime engines to prevent damage due to cold-start scuffing. Summit Racing™ engine preluber/fluid transfer kits feature: * 2.5 gallon aluminum tank and fittings * Safety 120 lb. pressure release valve * 1.5 in. chrome 0 to 200 psi gauge * 8 ft. hose, non-marring, safe on most painted surfaces * Swivel hose fittings on both ends * Custom-made fill cap, 1.2 in. I.D. fill hole * Full size fill cap, 1.25 in. hole size * Ball valve shut-off valve * Full-depth dip tube * Convenient carry handle * Great for transferring multiple fluid types * User guide included
( 6 )
$174.99
Performance Tool Flex Drive Compression Testers
Performance Tool flex drive compression testers feature a highly accurate gauge with a stop valve that holds the highest reading until it's released. Even better, the hose unscrews from the gauge so that you can thread it into a plug hole easily.
( 3 )
$19.99
Summit Racing™ Automatic Transmission and Engine Oil Pressure Testers
Are you uncertain whether the oil pressures are within proper range for your car manufacturer's specifications? Find the answers you need with one of the Summit Racing™ automatic transmission and engine oil pressure tester kits. They include assorted fittings, gauge, and hose to help diagnose various transmission issues. A handy storage case is included. For anything that's automotive-related, look to Summit Racing™ … chances are we have it!
( 5 )
$60.99
BikeMaster Cylinder Compression Testers
Quickly check the condition of piston rings and valves with BikeMaster cylinder compression testers. They are manufactured with brass and steel fittings and packed in a blow mold storage case. Compare your compression with the manufacturer's recommendations with BikeMaster cylinder compression testers.
( 2 )
$131.99
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
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 )
$11.99
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.
( 1 )
$6.99
OTC Cylinder Leakage Tester Kits
OTC's cylinder leakage tester kits quickly diagnose internal engine problems, such as bad rings, valves, and leaking head gaskets. OTC includes an adjustable regulator, fittings, hose assembly, and a case.
( 66 )
$110.99
S&G Tool Aid Heavy Duty Compression Tester for Gasoline Engines
S&G Tool Aid offers heavy-duty compression testers for gasoline engine applications. Use these diagnostic tools to test compression of gasoline engines on domestic and foreign cars and trucks, plus motorcycles, snow mobiles and lawn mowers. Product details: * Adapters provided for 10mm, 12mm, 14mm, and 18mm applications. * Flex hose eliminates need to remove auxiliary equipment, such as power brakes and steering, air conditioning and manifold. * Screw-in adapters provide better accuracy over push-in type testers. * Quick-disconnect for easy hook-ups. * Quick side release valve permits retests without removal of adapters. * Gauge ranges: 0-300 psi and 0-21 BAR. * Comes complete with repair kit that includes O-rings, valve cores, and installation tool. * Full instructions and molded plastic storage case provided.
Not Yet Reviewed
$106.99
Clear View Filtration Mighty Prime High Pressure Priming Systems
Clear View Filtration's new Mighty Prime high pressure priming system facilitates priming your engine quickly and easily using a cordless hand drill. The kit will mount directly to Clear View's 4 in. see-through filters, but can also be remotely mounted and used with any filter system, including dry sump systems. This priming system is recommended for use on most all gasoline and alcohol engines, as well as for pickup diesel engines like Cummins, Duramax, and Power Strokes. Each kit is sold with completely assembled primer (with inlet fitting and one-way check valve installed), primer mounting bracket with bolts—and a fitting to easily adapt and use with a see-through filter. * Mighty Prime priming systems reduce engine part wear and failures with the ability to prime your engine at high pressure without actually running the engine. * The system installs on the vehicle and will suck oil out of the oil pan or a dry sump tank through a No. 10 hose.
Not Yet Reviewed
$484.95
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
Trick Flow® Engine Priming Pump Kit for Late Model Engines
Trick Flow engine priming pump kits are the easy and best way to pre-lube a freshly-built GM LS, Ford modular, Gen III Hemi, or any other engine with a crank driven oil pump. In fact, these priming pump kits can also be used to transfer non-flammable fluids, such as gear lube and transmission fluid. Included in each kit is a engine priming/fluid transfer pump, a driveshaft, 10 ft. of -6 AN hose, and an assortment of fittings and adapters required to turn your 3/8 in. drill into a fluid pumping machine!
( 4 )
$308.99
S&G Tool Aid Top Dead Center Indicators
S&G Tool Aid top dead center indicators whistle as the piston approaches Top Dead Center (TDC) on the compression stroke, and stops whistling when the piston reaches TDC. This eliminates the guesswork involved when diagnosing jumped timing belts and timing chains, as well as aids in valve adjustments and installation of distributors, timing belts and timing chains. The 2-in-1 fitting threads into all 14mm and 18mm spark plug ports, and the hose has a 27 in. overall length. Not for use on diesel engines.
( 7 )
$39.99
Tracerline Fluoro-Lite 5 A/C Dye
Tracerline Fluoro-Lite 5 A/C dye works with Tracer refillable inline injectors and syringe injectors for co-solvent-free, OEM-grade leak detection on aging R-134a mobile air conditioning systems. Leaks develop over time due to deteriorating fittings, joints, seals, and hose connections. Road debris can also compromise A/C systems, so your routine maintenance should include looking for leaks to head off minor issues before they become big problems. With a brighter dye performance, dealerships around the world rely on Tracerline Fluoro-Lite 5 A/C dye to deliver safe, accurate, and fast results—which means you can too!
Not Yet Reviewed
$49.99
LeakFinder Engine Coolant Leak Detection Dyes
LeakFinder engine coolant leak detection dyes fluoresces green and is compatible with all leak detection flashlights. For all conventional coolants, these dyes are useful for locating leaks in radiators, hoses, heater cores, water pumps, and fittings. LeakFinder offers their coolant dyes individually or a set of six 1 oz. "single service" bottles, or in an 8 oz. twin-neck bottle.
Not Yet Reviewed
$4.50
—
$20.99
OTC Universal Diesel Engine Compression Gauges
These OTC diesel engine compression gauges work on any diesel engine to test compression up to 1,000 psi. OTC includes a valve, a push button compression release, and a quick-disconnect fitting on the hose end. Adapters are also included.
Not Yet Reviewed
$216.99
—
$591.99
Proform Dual Gauge Leakdown Testers
These Proform dual gauge leakdown testers include: * Regulator with gauge * Adjustable gauge * Black painted body * 14mm and 18mm stainless steel fittings * Rubber hose assembly * Instructions
( 10 )
$90.99
LeakFinder BigEZ Universal Dye Injection Kits
Ideal for high-volume shop applications, LeakFinder BigEZ universal dye injection kits are the most effective way to add A/C dye to R-134a/R-1234yf/PAG systems. The kits include a built-to-last caulking gun-style injector, a BigEZ R-134a hose/coupler and purge fitting, and a BigEZ 8 oz. multi-dose dye delivery cartridge that services up to 64 vehicles. With these LeakFinder dye injection kits there's no down-time between swapping out the pre-filled cartridge and there's no loss of dye due to spillage. Please note: R-1234yf systems require LF60CS adapter (sold separately)
Not Yet Reviewed
$91.99
Summit Racing™ Leakdown and Compression Tester Pro Packs
These Summit Racing™ leakdown and compression tester Pro Packs can help to pinpoint engine leakage and check compression. They include a dual gauge leakdown tester with an adjustable regulator and fittings, a single-gauge highly accurate compression tester, and an automotive stethoscope for tracking down puzzling sounds in your engine, transmission, rear axle, and even the transfer case. Save yourself a bunch of time and help to prevent possible engine failure with one of these Summit Racing™ leakdown and compression tester Pro Packs.
( 5 )
$149.97
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
