This schematic depicts all components used in the Cx500tc 1982 (c) E-5 Valve-upper Rocker Arm partslist.
Some items from this specific schematic: Arm A,up.rocker, Nut, Tappet Adjg., Valve,exh., Seal,valve Stem.
Of all the components used in this assembly the Arm A,up.rocker is the most expensive.