Titanium Valves in SS

[Dwight Southerland]

Originally Posted by SSDiv6

Titanium Valves are allowed in Super Stock Class as a replacement for Sodium filled valves as long as the weight the same or more than the Sodium filled valve they are replacing.

While that was true once upon a time, that allowance was rescinded a long time ago IIRC. Quote from the engine section of the rulebook for SS: "Any aftermarket steel valve permitted; must maintain stock head and stem size; titanium valves prohibited."