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Installed Height Micrometer- To suit Iron Vortec w/ Beehive Springs. Fits many other domestic beehive applications.

  • To suit common beehive retainers including all our iron vortec beehive spring kits.
  • Customized to fit iron Votec
Modified Version of 67390
Calculated at checkout

Product Description

Valve Spring Installed Height Micrometer, Tool

 Customized to fit OE Iron Vortec heads w/ Beehive Retainers

Measurement Range- 1.600" - 2.100"

YES- This tool have been customized to fit SBC VORTEC IRON heads.

Unlike other popular installed height measuring tools, this version has been customized to work on iron vortec heads running beehive springs.

We have inspected many installed height micrometers and have found all of them seem to have the same problem.

The issue is on the ID of bottom side of the mic. When the tool is fully collapsed and placed on the head, it stops before contacting the spring seat. This happens because the OE iron vortec head has a taller/wider valve guide boss which interferes with the inside of common installed height mics, holding them up too high.

With the mic being held upwards like this, it makes it impossible to fit the keepers/locks into the valve groove because the tool is positioned upwards too far. The guide is holding it up too high and the tool cannot be collapsed any further to gain access to the valve groove.

We have fixed this problem and from what we've seen, we're the only supplier addressing the issue. All the various brands we have inspected have the same problem!

Vortec owners are pleased to know they can order our installed height micrometer and it will work right out of the box. (see note* below)

This is a good tool for beehive springs w/ a .650" top side inside diameter (I.D.)

It fits all our iron vortec beehive spring kits.

This is a good universal tool which not only fits Iron Vortec but also fits many other domestic engines.

  • SB & BB Chevy, Inline and V6
  • 351C, 351/400M
  • FE Ford
  • SB & BB Ford
  • SB & BB Chrysler
  • Many others applications
  • To verify other fitment for other applications, review the listed lengths and diameters below.

If you want to use this tool on smaller or import engines, be sure to check the tools measurements listed below.



  • Works with common .640" register/step diameter beehive retainers.
  • Will clear retainer register diameters up to .700"
  • Manufactured from Billet Aluminum and black anodized
  • Easy to read white on black increments
  • Range: 1.600"-2.100"
  • The tool fully collapses to 1.500"
  • Inside Diameter on Top: .705"
  • Outside Diameter on Top: 1.525"
  • Outside Diameter, knurled section: 1.525" (see pictures)
  • Outside diameter at the base: 1.267" and .390" tall
  • Will sit on an iron vortec head spring base when fully collapsed
  • Also fits LS series engines.
  • A good universal beehive installed height tool


Purchase includes: One installed height micrometer for iron head beehive.


Note*- this tool is for beehive retainers and will not fit any of our non beehive vortec spring kits. We plan to have mics for non beehive iron vortec shortly. Contact us for further details.


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



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