Parts Information
| Part | Manufacturer | OEM Part # | Price | Notes |
| Spring, Intake Valve (Light Green) (Chuo Spring) | HON | 14761R44A01 | 6.35 | |
| Spring, Exhaust Valve (Violet) (Chuo Spring) | HON | 14762R44A01 | 6.35 | |
| Spring, Intake Valve (Blue) (Nippon Hatsujo) | HON | 14761R40A01 | 17.50 | |
| Spring, Exhaust Valve (Orange) (Nippon Hatsujo) | HON | 14762R40A01 | 17.50 |