Description
| Valve Angle | 15deg |
| Intake valve | 2.200-2.250 |
| Exhaust valve | 1.850 |
| intake vol | 472cc |
| Exhaust vol | |
| Chamber vol | 83-86cc |
| Peak Int Flow | |
| bare | |
| assm | |
| Notes | |
| chamber softening and "power adder" exhaust port available on all heads |

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| Valve Angle | 15deg |
| Intake valve | 2.200-2.250 |
| Exhaust valve | 1.850 |
| intake vol | 472cc |
| Exhaust vol | |
| Chamber vol | 83-86cc |
| Peak Int Flow | |
| bare | |
| assm | |
| Notes | |
| chamber softening and "power adder" exhaust port available on all heads |