Speedway Dual Gauge Leakdown Tester
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What's in the Box
This dual gauge is ideal to check leak down and set barrel valves on fuel injection systems without running the engine. Detects ring seat failure, bent valves, cracked heads, and leaking gaskets. Works best with 100+ psi air source.
Includes a 21" quick-disconnect hose to connect from the gauge to the spark plug hole. The threads on the the spark plug end are 14mm with an O-ring seal.
913-81121 Instructions (PDF)