The most expensive part in this assembly is the Shaft Comp,cam.
The O-ring,p7 is the lowest priced item on this E-3 schematic.
A sample from the products for the E-3 include: Shim,tappet (2.70, Shim,tappet (1.57, Shim,tappet (2.60, Shim,tappet (1.20.