Cylinder Head (Valve Seat)
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| Service Description | Part No. | Price | Remarks | |
| Seat Cutting (Vacuum Check Included) |
1～7 Valves | 99900-000-500 | @￥3,000 | Lapping cost is no included. *All valves must be provided. |
| 8 Valves | 99900-000-501 | ￥18,000 | ||
| 12 Valves | 99900-000-502 | ￥27,000 | ||
| 16 Valves | 99900-000-503 | ￥33,000 | ||
| 20 Valves | 99900-000-504 | ￥40,000 | ||
| 24 Valves | 99900-000-505 | ￥48,000 | ||
| Seat Cutting + Valve Length Equalization (Vacuum Check Included) |
1～7 Valves | 99900-000-510 | @￥4,000 | Specified valve length requires the additional cost (¥1,000~/valve). *All valves must be provided. |
| 8 Valves | 99900-000-511 | ￥21,000 | ||
| 12 Valves | 99900-000-512 | ￥31,000 | ||
| 16 Valves | 99900-000-513 | ￥39,000 | ||
| 20 Valves | 99900-000-514 | ￥46,000 | ||
| 24 Valves | 99900-000-515 | ￥54,000 | ||
| Seat Replacement | 1～7 Valves | 99900-000-570 | @￥4,000 | Seat cost is not included. |
| 8 Valves | 99900-000-571 | ￥25,000 | ||
| 12 Valves | 99900-000-572 | ￥37,000 | ||
| 16 Valves | 99900-000-573 | ￥44,000 | ||
| 20 Valves | 99900-000-574 | ￥55,000 | ||
| 24 Valves | 99900-000-575 | ￥60,000 | ||
| Seat Replacement + Counterbore Machining for Larger Seat | 1～7 Valves | 99900-000-580 | @￥5,000 | Seat cost is not included. |
| 8 Valves | 99900-000-581 | ￥33,000 | ||
| 12 Valves | 99900-000-582 | ￥50,000 | ||
| 16 Valves | 99900-000-583 | ￥62,000 | ||
| 20 Valves | 99900-000-584 | ￥77,000 | ||
| 24 Valves | 99900-000-585 | ￥86,000 | ||
| Custom Order Seat (Beryllium Copper) |
1 Valve | 99900-000-560 | ￥7,000～ | Replacement cost is not included. |
| Custom Order Seat (Heat Resistant Steel) |
1 Valve | 99900-000-561 | ￥4,000～ | |
| SR20DET Beryllium Copper Seat | IN 1 Valve | 12202-SR2-000 | ￥6,000 | Replacement cost is not included. *For standard valve size (IN 34mm / EX 30mm) *Counterbore Machining work is required. |
| EX 1 Valve | 12203-SR2-000 | |||
Cylinder Head - Others
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| Service Description | Part No. | Price | Remarks |
| RB26 Cylinder Head Intake Port Air Hole Modification (6 Locations) | 99900-000-566 | ￥28,000 | |
| RB26 Front and End Water Cap Replacement (2 Caps) | 99900-000-567 | ￥28,000 | |
| Dowel Pin Removing | 99900-000-569 | ￥2,500～ | The cost varies depending on the condition. |
| Bolt Removing + Helisert Modification 99900-000-590 | 99900-000-590 | ￥6,000～ | The cost varies depending on the condition. |