With a quantity of two pieces, the Bolt, Hexagon Socket Head(53y) is the most used part in the FRAME diagram.
Some items from this specific schematic: Bracket, C.d.i. Unit, Bolt, Flange, Bolt, Flange(4my), Rear Frame Comp..
Of all the components that make up this Frame the Bolt, Flange(4my) has the lowest price.