I need some push fit valve stem oil seals for a xflow that has had the valve guide top modified from .500" to .420" and is for use with standard stem 5/16" valves - I can't remember which car the ones I used previously came from - anyone know off the top of their head?
Are pinto valve guides .500" without a step on top?
The ones I'm after are a tight fit that need tapping on, not the cheap rubber ones that have a lip that locates on the valve guides and often lift off in use.
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