rock crushing machines and wear parts therefor, namely, impeller shoe, anvil, feed disc, flat table liners, shoe bracket liners, top table plate, bolt plate, outer table liners, bottom flywheel liners, pedestal skirt cone, pedestal bolt guards, tunnel liners, upper tub liners, lower tub liners, inner lid liners, middle lid liners, outer lid liners, splash plate liners, upper feed tube, lower feed tube, feed tube extension, flat table liner insert, and lower anvil ring liner