Leak down test kits & testers at Summit Racing (2024)

Table of Contents

OTC Cylinder Leakage Tester Kits 5609 OTC Cylinder Leakage Tester Kits 5609 Summit Racing™ Leakdown and Compression Tester Pro Packs 17-0006 Summit Racing™ Leakdown and Compression Tester Pro Packs 17-0006 Moroso High Performance Cylinder Leakdown Testers 89603 Moroso High Performance Cylinder Leakdown Testers 89603 Lang Tools Cylinder Leakage Testers CLT-2PB Lang Tools Cylinder Leakage Testers CLT-2PB Longacre Engine Leakdown Testers 52-73010 Longacre Engine Leakdown Testers 52-73010 Moroso Cylinder Leakage Testers 89600 Moroso Cylinder Leakage Testers 89600 Performance Tool Leakdown Test Kits W89729 Performance Tool Leakdown Test Kits W89729 Proform Dual Gauge Leakdown Testers 66839 Proform Dual Gauge Leakdown Testers 66839 Longacre Digital Leakdown Testers 52-73014 Longacre Digital Leakdown Testers 52-73014 Milton Cylinder Leak Testers S-1257 Milton Cylinder Leak Testers S-1257 Lang Tools Cylinder Leakage Testers CLT-2C Lang Tools Cylinder Leakage Testers CLT-2C Longacre Engine Leakdown Testers 52-73011 Longacre Engine Leakdown Testers 52-73011 Total Seal Dual Gauge Leakdown Testers 14MMLDT Total Seal Dual Gauge Leakdown Testers 14MMLDT Lang Tools Cylinder Leakage Testers CLT-4PB Lang Tools Cylinder Leakage Testers CLT-4PB Total Seal Piston Rings Leakdown Testers 6ANLDTHOSE Total Seal Piston Rings Leakdown Testers 6ANLDTHOSE Total Seal Piston Rings Leakdown Testers 8ANLDTHOSE Total Seal Piston Rings Leakdown Testers 8ANLDTHOSE Powerhouse Products Dual Gauge Leakdown Testers POW301018 Powerhouse Products Dual Gauge Leakdown Testers POW301018 Motion Pro 2-Stroke Leak-Down Testers 08-0071 Motion Pro 2-Stroke Leak-Down Testers 08-0071 Pioneer Automotive Leakdown Testers 488015 Pioneer Automotive Leakdown Testers 488015 Motion Pro Leakdown Testers 08-0740 Motion Pro Leakdown Testers 08-0740 FAQs

Grab one of these leakdown testers and become a gearhead MD! They’ll help you diagnose common engine maladies; including bad piston rings, leaking valves, and...

Grab one of these leakdown testers and become a gearhead MD! They’ll help you diagnose common engine maladies; including bad piston rings, leaking valves, and blown head gaskets. Choose from single- or dual-gauge leakdown testers that provide the precise, reliable data you need to pinpoint engine problems. If you need to perform a leakdown test, start here with top-brand leakdown testers from OTC Tools, Performance Tool, Moroso, Proform, or one our other trusted manufacturers. Shop now!

Results 1 - 20 of 20

OTC Cylinder Leakage Tester Kits 5609

Test Kit, Cylinder Leak Down, Dual Gauge, Kit

Part Number: OTC-5609

4.48 out of 5 stars ( 63 )

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Summit Racing™ Leakdown and Compression Tester Pro Packs 17-0006

Combo, Summit®, Dual Gauge Leakdown Tester, Compression Tester, Automotive Stethoscope, Kit

Part Number: CMB-17-0006

4.33 out of 5 stars ( 3 )

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Moroso High Performance Cylinder Leakdown Testers 89603

Cylinder Head Leakage Tester; Cylinder Leak Down Tester; High Accuracy; Incl. 14mm Long Adapter; 14/18mm Short

Part Number: MOR-89603

Not Yet Reviewed

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Lang Tools Cylinder Leakage Testers CLT-2PB

Cylinder Leakage/Leakdown Tester, Two Gauges, 0-100 Leakage Range, 5% Increments, 0-100 psi Range

Part Number: LAG-CLT-2PB

5.0 out of 5 stars ( 3 )

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Longacre Engine Leakdown Testers 52-73010

Leakdown Tester, Dual Gauge, Each

Part Number: LNG-73010

4.67 out of 5 stars ( 9 )

Moroso Cylinder Leakage Testers 89600

Leakdown Tester, Single Gauge, 3 1/2 in. Gauge, 14, 18mm Adapters, 4 ft. Hose, Standard Version, Kit

Part Number: MOR-89600

4.0 out of 5 stars ( 3 )

Estimated Ship Date: Tomorrow

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Performance Tool Leakdown Test Kits W89729

Leakdown Test Kit, Two Gauges, White Face, Black Rubber Hose, Thread Adapters, Regulator, Kit

Part Number: WMR-W89729

3.19 out of 5 stars ( 16 )

Estimated Ship Date: Tomorrow

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Proform Dual Gauge Leakdown Testers 66839

Leakdown Tester, Dual-Gauge, Each

Part Number: PRO-66839

4.1 out of 5 stars ( 10 )

Estimated Ship Date: Tomorrow

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Longacre Digital Leakdown Testers 52-73014

Leakdown Tester, Digital, 0-100 psi, Two Gauges, Red Synthetic Rubber Hose, 1.50 ft. Hose Length, Each

Part Number: LNG-73014

Not Yet Reviewed

Estimated Ship Date: Jun 14, 2024 if ordered today

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Estimated Ship Date: Jun 14, 2024 if ordered today

Milton Cylinder Leak Testers S-1257

Leakdown Tester, One Gauge, White Face, Black Numbers, Indicates Leakage Percentage, Black Rubber Hose, 14mm/18mm Adapters, Each

Part Number: MLI-S-1257

Not Yet Reviewed

Estimated Ship Date: Jun 3, 2024 if ordered today

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Estimated Ship Date: Jun 3, 2024 if ordered today

Lang Tools Cylinder Leakage Testers CLT-2C

Cylinder Leakage/Leakdown Tester, Two Gauges, 0-100 Leakage Range, 5% Increments, 0-100 psi Range, Each

Part Number: LAG-CLT-2C

Not Yet Reviewed

Estimated Ship Date: Jul 15, 2024 if ordered today

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Estimated Ship Date: Jul 15, 2024 if ordered today

Longacre Engine Leakdown Testers 52-73011

Leakdown Tester, Dual Gauge, 12mm Fitting, Each

Part Number: LNG-73011

Not Yet Reviewed

Estimated Ship Date: Jun 6, 2024 if ordered today

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Estimated Ship Date: Jun 6, 2024 if ordered today

Total Seal Dual Gauge Leakdown Testers 14MMLDT

Leakdown Tester, Dual-Gauge, 14mm, Each

Part Number: TSR-14MMLDT

4.57 out of 5 stars ( 7 )

Estimated Ship Date: Tomorrow

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Lang Tools Cylinder Leakage Testers CLT-4PB

Cylinder Leakage/Leakdown Tester, Two Gauges, 0-100 Leakage Range, 5% Increments, 0-35 psi Range, Each

Part Number: LAG-CLT-4PB

Not Yet Reviewed

Estimated Ship Date: Jul 22, 2024 if ordered today

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Estimated Ship Date: Jul 22, 2024 if ordered today

Total Seal Piston Rings Leakdown Testers 6ANLDTHOSE

Leakdown Tester, 6AN HOSE FOR 14MMLDT LEAKDOWN TESTER, 6AN FEMALE HOSE ASSEMBLY

Part Number: TSR-6ANLDTHOSE

Not Yet Reviewed

Estimated Ship Date: Jun 3, 2024 if ordered today

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Estimated Ship Date: Jun 3, 2024 if ordered today

Total Seal Piston Rings Leakdown Testers 8ANLDTHOSE

Leakdown Tester, 6AN HOSE FOR 14MMLDT LEAKDOWN TESTER, 8AN FEMALE HOSE ASSEMBLY

Part Number: TSR-8ANLDTHOSE

Not Yet Reviewed

Estimated Ship Date: Jun 3, 2024 if ordered today

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Estimated Ship Date: Jun 3, 2024 if ordered today

Powerhouse Products Dual Gauge Leakdown Testers POW301018

Leakdown Tester, 2-Gauge, 0-100 psi., 14mm Thread Size, Each

Part Number: POW-POW301018

Not Yet Reviewed

Estimated Ship Date: Jun 19, 2024 if ordered today

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Estimated Ship Date: Jun 19, 2024 if ordered today

Motion Pro 2-Stroke Leak-Down Testers 08-0071

2-CYCLE LEAK DOWN TESTER

Part Number: MNP-08-0071

Not Yet Reviewed

Estimated Ship Date: Jun 3, 2024 if ordered today

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Estimated Ship Date: Jun 3, 2024 if ordered today

Pioneer Automotive Leakdown Testers 488015

LEAKDOWN TESTER

Part Number: PIO-488015

Not Yet Reviewed

Estimated Ship Date: Jun 6, 2024 if ordered today

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Estimated Ship Date: Jun 6, 2024 if ordered today

Motion Pro Leakdown Testers 08-0740

Digital Leak Down Tester

Part Number: MNP-08-0740

Not Yet Reviewed

Estimated Ship Date: Jun 3, 2024 if ordered today

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Estimated Ship Date: Jun 3, 2024 if ordered today

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Leak down test kits & testers at Summit Racing (2024)

FAQs

What is an acceptable leak-down test result? ›

No engine will have perfect sealing with 0 percent loss. Five to 10 percent loss indicates an engine in great to good running order. An engine between 10 and 20 percent can still run OK, but it'll be time to keep an eye (or ear) on things. Above 20 percent loss and it may be time for a teardown and rebuild.

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How much psi for leak-down test? ›

The input pressure is set for 80 psi (550 kPa), and 60 psi (410 kPa) minimum cylinder pressure is the accepted standard. While the leak-down tester pressurizes the cylinder, the mechanic can listen to various parts to determine where any leak may originate.

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Is a leak-down test better than a compression test? ›

(But don't give up on the compression tester just yet, read on!) The use of a controlled, regulated compressed air source makes a leak-down test much more consistent and repeatable. This means that a leak-down tester can be used to show when an engine is in need of a rebuild due to wear.

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Is 20% leak down bad? ›

If an engine reads between 15-20 percent, it's not a reason for condemning the engine – but be more concerned about where the leakage is occurring. And at 30 percent, there are some major problems and an overhaul is likely.

What is the limit for a leak test? ›

The leak test pressure limit for leak tests typically uses low pressure. Most codes for leak test pressure limits call for the pressure to be at least 15 psi or 25% of the design pressure (whichever pressure is less).

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What is the safe pressure for leak testing? ›

An initial gross-air leak test should be performed prior to any other testing. This is generally performed at 25% of the maximum working pressure of the system or 100 psi (whichever is less).

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What is the allowable pressure drop in a leak test? ›

Pressure shall not vary from the test pressure at the start of the test by more than 5 % or 500 psi (3.45 MPa), whichever is less, during the entire hold period, and shall not drop below the test pressure.

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What is the maximum test pressure for leak testing? ›

A preliminary test using air at no more than 170 kPa (25 psi) gage pressure may be made prior to hydrostatic testing to locate major leaks.

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Is a leak down test better hot or cold? ›

Engines should be leak-tested when they're warmed to operating temperature, although a cold test will usually show similar results. Leakdown results should become part of your total evaluation, with further action based on more checking and visual verification wherever possible.

What is good compression on an engine? ›

Most gas engine's compression should be between 125 and 175 PSI while a diesel will generally fall between 275 and 400 PSI. Remember to write down each of your findings. If one or more cylinders looks to be way off in PSI, you can re-run the test again just to check.

How much psi do I need for a leak down test? ›

Leakdown TestThe leakdown test measures how well the cylinder is sealing. This is done by inserting compressed air (around 100 psi) into the cylinder at TDC and then measuring how much is lost from the seals (there will always be some).

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What size compressor for leak down test? ›

Any compressor which will provide 100 psi is good although some people use 80 psi to do the leak down test for whatever reason.

How do you calculate leak test? ›

How to Calculate Leak Rate (SCCM) A leak rate is expressed as a volume per unit of time. The rate is found by measuring the change in pressure multiplied by the volume. That number is then divided by the change in time multiplied by the surrounding atmospheric pressure to calculate the leak rate (SCCM).

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How much valve leakage is acceptable? ›

Allowable leakage is 0.5% of the rated full open capacity. capacity. seats. Leakage rate is limited to 0.01% of rated valve capacity (known as metal to metal).

What is the range of leak test? ›

The pressure drop over time is monitored with a faster decay equivalent to a bigger leak. In general, an acceptable leak rate is under 0.3 kPa min⁻¹, but stack and test station manufacturers often specify their own maximum permissible leak rates.

What is the ISO standard for leak test? ›

ISO 20486:2017 specifies the calibration of those leaks that are used for the adjustment of leak detectors for the determination of leakage rate in everyday use. One type of calibration method is a comparison with a reference leak. In this way, the leaks used for routine use become traceable to a primary standard.

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How do you calculate acceptable leak rate? ›

How to Calculate Leak Rate (SCCM)

ATM = Atmospheric pressure (PSIA)
V = Test volume (cm3)
Δp = The decay in pressure during test time.
Δt = The amount of decay time (min.)
SCCM = Standard Cubic Centimeters per Minute.
For example: Leak rate = .02psi/0.05min * 50cm3/14.7psia. Leak rate = 0.4 * 3.401. Leak rate = 1.36 SCCM.

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