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View Full Version : what is this thing....


nuhmizer
08-19-2007, 07:31:36 PM
....around the bottom of my valve spring? Some kind of retainer?

rustbucket79
08-20-2007, 12:53:10 AM
That's a form of spring dampner, found on some of the GM engines like the mark V 454's and if I correctly recall some of the V-6's and maybe 4 cyls.

nuhmizer
08-20-2007, 12:30:45 PM
If I wanted to use these springs on olders heads, do I need them?

rustbucket79
08-20-2007, 01:07:50 PM
They likely won't fit if the other heads have a tight fitting spring pocket.

nuhmizer
08-20-2007, 04:45:55 PM
The whole thing is on a seat that fits inside the pocket.