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Longacre Dual Gauge Engine Leak-Down Tester

Price Reduced!
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Brand: Longacre Racing Products

Was $169.99 - Now only $139.99 - you save $30.00!

This is the quickest, easiest and most accurate method of checking the condition of an engine. Measures the percentage of leakage for each cylinder and helps to pinpoint the source of any problems. Includes adapter hose for 14x1.25mm spark plug threads. Operating instructions are included. Requires a compressed air source of at least 80 psi.

Leak-Down Testing Quick Symptom Guide
Test ResultCommon Causes
Whistling through exhaust · Burned exhaust valve
· Bent exhaust valve
Whistling through intake · Bent intake valve
Whistling through both
intake and exhaust
· Multiple bent valves
· Shifted valve seats
Whistling from dry sump tank
or crankcase breather
· Scored cylinder walls
· Broken piston ring
· Burned piston
· Cracked engine block
Bubbling in coolant · Blown head gasket

Read more about Compression Testing vs Leak-Down Testing.

Part No.
Stock Status

Condition: New

In Stock