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| Material | A356.2 Aluminum |
| Intake Port Volume | 276cc |
| Intake Port Location | Stock |
| Exhaust Port Volume | 92cc |
| Exhaust Port Location | Stock |
| Combustion Chamber | 68cc |
| Valve Angle | 15° |
| Minimum Bore Diameter | 4.000" |
| Maximum Valve Lift (in.) | 0.55” |
| Intake valve | 2. 165" 8mm |
| Exhaust valve | 1. 60" 8mm |
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