| | | | |
| WBO LP Piston 8338021 Old Style | WBO LP Piston 8338021 Old Style | | | |
| WBO LP Piston 40017901 New Style | WBO LP Piston 40017901 New Style | | | |
| WBO LP Rod 8033545 | WBO LP Rod 8033545 | | | |
| WBO 1/2 Bearing 8496981 | WBO 1/2 Bearing 8496981 | | | |
| WBO HP Head 8238541 Old Style | WBO HP Head 8238541 Old Style | | | |
| WBO HP Cyl 8237531 Old Style | WBO HP Cyl 8237531 Old Style | | | |
| WBO HP Head 8347435 New Style | WBO HP Head 8347435 New Style | | | |
| WBO HP Piston 8343422 Old Style | WBO HP Piston 8343422 Old Style | | | |
| WBO HP Piston 40017901New Style | WBO HP Piston 40017901New Style | | | |
| WBO HP Rod 8033545 | WBO HP Rod 8033545 | | | |
| 8323180 CouplingEngine | 8323180 CouplingEngine | | | |
| 8236433 Coupling Air Compressor | 8236433 Coupling Air Compressor | | | |
| 8234958 Bushing | 8234958 Bushing | | | |
| 9319946 HP Valve Inlet | 9319946 HP Valve Inlet | | | |
| 8424969 HP Valve Outlet | 8424969 HP Valve Outlet | | | |