| Item | Part No. | Part Name | Qty | Serial No. |
| 6251-11-7100 | HOUSING ASS'Y | 660001-660058 | ||
| 1 | 6251-11-7110 | HOUSING,ROCKER ARM | 660001-@ | |
| 2 | 07043-30108 | PLUG | 660001-@ | |
| 3 | 6251-11-7220 | GASKET | 660001-@ | |
| 4 | 01437-01075 | BOLT | 660001-660058 | |
| 5 | 6251-71-1170 | BOLT | 660001-@ | |
| 6 | 01643-31032 | WASHER | 660001-660058 | |
| 6150-41-5400 | ARM ASS'Y,INTAKE | 660001-@ | ||
| 7 | \6\ | ARM,ROCKER | 660001-@ | |
| 8 | 6150-41-5420 | BUSHING | 660001-@ | |
| 9 | 6150-41-5541 | SCREW | 660001-@ | |
| 10 | 01582-01008 | NUT | 660001-@ | |
| 6154-41-5500 | ARM ASS'Y,EXHAUST | 660001-@ | ||
| 11 | \6\ | ARM,ROCKER | 660001-@ | |
| 12 | 6162-43-5340 | RIVET | 660001-@ | |
| 13 | 6150-41-5420 | BUSHING | 660001-@ | |
| 14 | 6150-41-5541 | SCREW | 660001-@ | |
| 15 | 01582-01008 | NUT | 660001-@ | |
| 6150-42-5300 | ROCKER ARM SHAFT A. | 660001-@ | ||
| 16 | \6\ | SHAFT | 660001-@ | |
| 17 | 6710-41-5340 | RIVET | 660001-@ | |
| 18 | 6154-41-5321 | COLLAR | 660001-@ | |
| 19 | 6150-81-9370 | BOLT | 660001-@ | |
| 20 | 6251-11-8830 | SEAL | 660001-660058 | |
| 21 | 6251-11-8840 | RING | 660001-660058 |