The Bolt(6x30) is the cheapest item from this partsfiche.
This Camshaft - Valve diagram displays the required parts for the Gsx600f Katana 2006 (k6) Usa (e03) Camshaft - Valve.
A sample from the products for the Camshaft - Valve include: Cotter Valve, Seat,valve Spring Exh Inner, Shaft,valve Rocker Arm, Washer.