In this schematic the "Nut Hex.,8mm" is used most often.
A sample from the products for the E-3-1 Exhaust Manifold include: Cover,hot Air, Manifold,ex., Bolt-washer,6x10, Gasket,exh.pipe.
The Nut Hex.,8mm is the lowest priced item on this E-3-1 Exhaust Manifold schematic.