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Part# 12-00202


This tool is used to compress valve springs during valve removal and installation. It is ergonomically designed for shop and field use and comes with special pivot pin. Features alloy steel construction with black alloy conversion coating.


Veru good instument. Strong construction. Easy to use.

Jean-yves L
December 14, 2020

One size fits Continental and Lycoming. Tool is made of steel and will last long term use. If youre starting out in the business (A&P Mechanic) youll use this tool many times during your career.

Comanche F
July 22, 2020

Worked exactly as advertised! exactly the tool I needed to compress the valve springs on my Continental 0-200 cylinders.

Mike M
April 23, 2020

Worked great on my C90! Perfect tool for removing the valve.

Dan R
December 12, 2019

Used on a O-200. Works great!!

Luis M
October 20, 2019

Perfect Continental Type Single Valve Spring Compressor. Very simple device that accomplishes a more complicated task to remove the valve springs while at the same time maintaining a closed valve. Often necessary to perform this task when removing a single stuck valve to burnish the stem and clear the valve guide of carbon buildup on a small Continental engine.

Ron P
February 19, 2019

Does a good job of releasing and applying valve spring tension for valve removal/installation.

Ed B
August 18, 2017

Works as advertised. Conversion coating was chipped out of the package.

C. J
March 30, 2021

Worked great but I gave it 4 stars because it was missing the small bar when it came. I had to make my own by cutting a nail head off.

Steven T
October 7, 2020

I’m not sure what the 1/2” steel rod was for. There was no way to use it on a TSIO 360. I bought a thin wall steel tube from Lowe’s and drilled two holes to attach it to the rocker bolts. That worked as the fulcrum for the tool.

Martin R
March 13, 2020


Q: See some folks have had issues using this on different engines. Is there a list of compatible engines this tool works on?

The Valve Spring Compressor will work on all Parallel and Angle Valve engines. Also works on O470.

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