The most expensive part in this assembly is the Face Set,driven.
twenty-four components are listed in the schematic for this Cn250 Helix 1999 (x) Usa Driven Face ('98-'99) .
A sample from the products for the Driven Face ('98-'99) include: O-ring 47x1.9, Plate Comp,drive, Clutch Outer, Pin,roller Guide.