With all the components that make up the GS400E 1979 (N) (E01 E02 E04 E17 E18 E21 E22 E24 E25 E30 E34 E39 SPECIAL MARKET (E18) (GS400C,EC,N:~F.NO.71031) (GS400EN:F.NO assembly. The Stud 8x25 is the most frequently specified with four applications.
The most expensive part in this assembly is the Tube,inner.