| Poppet valves in the cylinder head that control the flow of exhaust from the engine. | |
| And enclosure for the differential and drive axles. | |
| The lower half of the bearing the saddle. It is removable, as in main cap or rod cap. | |
| A ball bearing housed in a rubber insulator. Mounted to the upper side of the vehicle and used to support the driveshaft when more than one driveshaft is used. |