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Installed Height Micrometer- Suitable for Beehive Retainers, SB Ford & SBC Vortec

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Product Description

Valve Spring Installed Height Measuring Tool

 Valve Spring Height Micrometer- works w/ small & large retainers, includes adapter ring.

Functional Range- 1.600" - 2.000"

YES- This tool have been customized to fit SBC Vortec heads as well as SB Ford heads w/ .481" tip length exhaust valves. (GT40, GT40P, E7 etc)

Unlike other popular installed height measuring tools, these come with an insert-able steel adapter ring which allows the tool to be used with small retainers such as beehive and other small outside diameter retainers.

Valve spring installed height mics measure from End to End on the outside of the tool. Retainers are not supposed to fit inside the tools counter bore. 

To measure a small retainer application, just drop the adapter ring inside the tool and use it in the normal fashion. The ring will sit at the same height as the tool and will produce accurate readings.

If you're going to take measurements using larger retainers, use the tool without the adapter ring.



  • Works with small OD retainers including Beehive type
  • Also works for bigger, standard size retainers
  • The mic is manufactured from aluminum and is black anodized
  • Functional Measuring Range- 1.600"-2.00"
  • Includes steel insert ring for small OD retainers.
  • ID of ring measures .875"
  • Tool counter bore diameter measures 1.218" to clear retainers for large 1.625" OD springs
  • More versatile than other brands- get one tool to fit a wider range of applications!


Although the mic is etched to measure up to 2.200", with the required modifications, the range is reduced to around 2.00"

Purchase is for one installed Height Mic w/ steel insert.

This tool is custom machined to order and not sitting on the shelf. Processing time varies between 7 to 14 days to ship after we receive your order.


Alex's parts- the smart choice in valve train parts~



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