For use in Normal and Super (356A/B) cylinder heads, this intake valve is original specification made in Germany.

Specs are:

Head Diameter: 37.9 - 38.1 mm

Stem Diameter: 10 mm

Stem Type: Solid

Length: 119.4 - 119.6 mm

Lock Type: Smooth Wedge

Note: The quick way to tell what valve you have is by the identification number etched into the top of the stem.