A sample from the products for the Second Air (e18) include: Pipe,2nd Air,l, Valve Assembly,second Air Switch, Hose,second Air Reed Valve, Clip.
The Gsf600s 1999 (x) (e02 E04 E17 E18 E22 E24 E25 E34) Second Air (e18) consists of seventeen pieces with the Valve Assy,2nd Air Reed being the most expensive.