Re: Titanium valve check...
316 series stainless is non-magnetic, and 400 series is slightly magnetic. The only time you may have a magnet adhere to a Stainless or Titanium valve is when they have hardened tips installed and it will be the only area of the valve the magnet will adhere to.
Only a handful of OEM and paper engines have Titanium valves. In Super Stock class, if the OEM valves were Sodium filled, they may be replaced with Titanium if the weight is equal to or greater than the original.
You can still pick up power by running hollow stem Stainless valves.
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