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Registered
Join Date: Nov 2001
Location: Santa Maria, CA
Posts: 1,051
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Interesting. I've used the collars since they were in pre-production and have yet to have one fail or come loose. Before that, we used 912 valve spring retainers turned upside down.
I find it fascinating to read of various component failures here that I never, or only rarely, saw as a 45 year wrench and 35 year shop owner ........................
The Cap'n
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