NOS GM BBC Valve P/Ns

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rszmjt · #1 12-28-2020, 02:45 AM

FWIW - Stainless is not magnetic either, I don’t know if the GM swirl polished valves are steel or Stainless, only true way is probably to weigh them or grind them, Ti gives off silvery sparks when you grind them. I can’t remember seeing a swirl polished Ti valve as they are all machined from bar stock I think.

nova7579 · #2 01-04-2021, 05:07 AM

I believe the pic of the parts listing is from the GM Performance Parts Catalog from 1984.
Brian

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