Pieces of steel in cylinder??

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Here is my valve spring compressor.


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You can see the hardened valve spring seat that I used to weld on. I just trimmed off the clamp and welded it right on


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Make sure when you weld the spring seat on there, it lines up with the top of the clamp. Otherwise it pushes on the retainer sideways and it can let the retainer out. And then the real show starts





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This is what it looks like from the other side.

I've done springs that were over 400 on the seat and close to 1200 over the nose with this tool. It's never failed either.

Much better than what you are doing. And much safer.