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Proform Valve Spring Height Micrometer Range: 1.600" - 2.100"


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Proform 66902
More than 10 available
Valve Spring Height Micrometer
  • Range: 1.600'' - 2.100''
  • For Most V8 Engines
  • Ships on 05/26/20

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    66902 is rated 4.8 out of 5 by 4.
    Rated 5 out of 5 by from Valve spring height. This has been a great little tool. Much more acurate that what I had been using
    Date published: 2020-01-10
    Rated 5 out of 5 by from works good but, check fitment for large springs Works great...but FYI it will not fit retainers for large triple valve springs. So check your valve spring size and make sure it fits first.
    Date published: 2015-12-31
    Rated 4 out of 5 by from Modification required for Ford FE's This is a nice product and seems well-made (unfortunately in Taiwan) but does not work on Ford FE engines as-is. I had to grind about 1/8" off the threaded inner portion of the tool in order to gain enough clearance to install the keepers in the factory Ford valve spring retainers on my 360 engine. Proform should elaborate on the claim that this fits "most V8's." There are still one or two FE's out there!
    Date published: 2018-10-08
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