In this schematic the "Bolt,connecting Rod,8" is used most often.
Parts such as the Crankshaft: Rod-assy-connecting,i, Rod-assy-connecting,h, Bushing,crankshaft,br, Bushing,balancer,lh,b are included in the En450a2 454ltd 1986 Usa California Canada Crankshaft parts fiche.
The component with the lowest price in the CRANKSHAFT schematic is the Woodruff Key.