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Home / Tools / Engine Tools /Valve Wobble Test Fixture
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VALVE WOBBLE TEST FIXTURE

2 Reviews 3 Answered Questions
From $174.75 to $229.95
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Description Part Number Price Buy
VALVE WOBBLE TEST FIX W/O INDI
12-21500
$174.75
Quantity
VALVE WOBBLE TEST FIX. W/INDIC
12-21505
$229.95
Quantity
Subtotal $0.00
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Overview

The Valve Wobble Test Fixture for parallel valve Lycoming engines is used to comply with Lycoming SB­388a. Quality made of aluminum and alloy steel, it is easy to use with no set screws or feeler gauges required. Allows direct reading of wobble from dial indicator.

Note: Will work on a angle valve engines as well.
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Reviews

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Dear all, If it possible, please provide me information about the next item: 12-21505 VALVE WOBBLE TEST FIXTURE (INDICATOR). I need to know the accuracy of this device. If it possible please send me the User Guide, Manual or any other document that reflects the metrological characteristics for this device. Thank you in advance!

Anatolii
May 25, 2017

The fixture itself is ok. Attaches with only one screw on angle valve cylinders, but good enough. The valve extension is included and makes this worth buying. Do not buy the gauge however. The one I received was defective, and took months to get a replacement. Meanwhile I purchased one for less than half the cost elsewhere, and it was better quality.

Brian B
January 27, 2017

Q&A

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Q: It is described as a tool for parallel valve engines. However, there is a note saying: can be used on angle valve engines. Is this correct or should the note mean that it cannot be used on angle valve engines. Best regards Ole Petter Syvertsen

The note is correct. This tool is good for parallel valve and angle valve engines.

Q: How does the dial indicator attach? I already have a central dial indicator with another tool. Trying to decide if I need with or without dial indicator.

Per supplier: It depends on the position of the mounting lug and whether or not the lug is plastic or steel. The indicator is clamped by the lug on back of the indicator, so if it's a plastic lug, that could present a problem. It the orientation is wrong and the lug/backing plate can be rotated to the correct position, that can resolve one issue.

Q: Does the kit come with the adapter that attaches to the valve stem?

Per the supplier: Yes, it comes with the adapter that attaches to the valve stem.

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