Parts such as the Cam Shaft - Valve: Gasket(5.8x13x1.2) (nas), Spring, O Ring(d:1.9,id:8.6), Arm,valve Rocker,exhaust are included in the Ls650 Savage 1987 (h) Usa (e03) Cam Shaft - Valve parts fiche.
In this schematic the "Cotter,valve" is used most often.
The 02122-05103 is the lowest priced item on this Cam Shaft - Valve schematic.