| Item | Part No. | Part Name | Qty | Serial No. |
| 6151-12-1101 | CYLINDER HEAD ASS'Y,VALVE LESS | | 310521-310643 |
| 1 | \6\ | HEAD,CYLINDER | | 310521-310643 |
| 2 | 6136-11-1130 | SLEEVE (STD) | | 310521-310643 |
| 3 | 6150-11-1320 | INSERT,EXHAUST VALVE (OS) | | 310521-310643 |
| 3 | 6150-19-1320 | INSERT, 0.25MM,EXHAUST VALVE (OS) | | 310521-310643 |
| 3 | 6150-18-1320 | INSERT, 0.50MM,EXHAUST VALVE (OS) | | 310521-310643 |
| 3 | 6150-17-1320 | INSERT, 0.75MM,EXHAUST VALVE (OS) | | 310521-310643 |
| 3 | 6150-16-1320 | INSERT, 1.00MM,EXHAUST VALVE (OS) | | 310521-310643 |
| 4 | 6151-11-1330 | INSERT,INTAKE VALVE (STD) | | 310521-310643 |
| 4 | 6151-19-1330 | INSERT, 0.25MM,INTAKE VALVE (OS) | | 310521-310643 |
| 4 | 6151-18-1330 | INSERT, 0.50MM,INTAKE VALVE (OS) | | 310521-310643 |
| 4 | 6151-17-1330 | INSERT, 0.75MM,INTAKE VALVE (OS) | | 310521-310643 |
| 4 | 6151-16-1330 | INSERT, 1.00MM,INTAKE VALVE (OS) | | 310521-310643 |
| 5 | 6150-12-1370 | GUIDE,VALVE | | 310521-310643 |
| 6 | 07043-70108 | PLUG | | 310521-310643 |
| 7 | 6162-13-1150 | PLUG | | 310521-310643 |
| 8 | 6150-11-1140 | GUIDE | | 310521-310643 |
| 9 | 04020-00820 | PIN,DOWEL | | 310521-310643 |
| 10 | 07046-41810 | PLUG | | 310521-310643 |
| 11 | 6150-42-4110 | VALVE,INTAKE | | 310521-310643 |
| 12 | 6150-42-4210 | VALVE,EXHAUST | | 310521-310643 |
| 13 | 6150-41-4510 | SEAT,UPPER | | 310521-310643 |
| 14 | 6150-41-4430 | SEAT,LOWER | | 310521-310643 |
| 15 | 6136-42-4520 | COTTER,VALVE | | 310521-310643 |
| 16 | 6150-41-4450 | SPRING | | 310521-310643 |
| 17 | 6150-41-4570 | SEAL,VALVE STEM (K1) | | 310521-310643 |
| 6150-42-5600 | CROSSHEAD ASS'Y | | 310521-310643 |
| 18 | 6150-42-5610 | CROSSHEAD | | 310521-310643 |
| 19 | 6150-41-5621 | SCREW | | 310521-310643 |
| 20 | 6150-41-5630 | NUT | | 310521-310643 |
| | STANDARD | | |
| 21 | 6151-12-1810 | GASKET (K1) | | 310521-310643 |
| 22 | 6150-11-1920 | GROMMET,OIL | | 310521-310643 |
| 23 | 6150-11-1930 | GROMMET,OIL | | 310521-310643 |
| 24 | \6\ | GROMMET,WATER | | 310521-310643 |
| 25 | 6150-12-1960 | GROMMET,WATER | | 310521-310643 |
| | OVERSIZE 0.4MM | | |
| 21 | 6151-19-1810 | GASKET, 0.4MM OS | | 310521-310643 |
| 22 | 6150-19-1920 | GROMMET,OIL | | 310521-310643 |
| 23 | 6150-19-1930 | GROMMET,OIL | | 310521-310643 |
| 24 | \6\ | GROMMET,WATER | | 310521-310643 |
| 25 | 6150-19-1960 | GROMMET,WATER | | 310521-310643 |
| 26 | 6150-11-1610 | BOLT | | 310521-310643 |
| 27 | 01438-01020 | BOLT | | 310521-310643 |
