Price Tag
- Edelbrock small-block Mopar Cylinder Heads - $1,439
- CNC porting by Hughes Engines: Price varies depending on extent of work. Call for details.
Out of Box Test
|
| Intake CFM | Exhaust CFM w/o pipe |
| .100" | 67.6 | |
| .200" | 128.0 | 84.4 |
| .300" | 185.2 | 129.8 |
| .350" | 208.1 | 142.6 |
| .400" | 227.1 | 151.2 |
| .450" | 240.6 | 157.2 |
| .500" | 253.7 | 161.2 |
| .550" | 256.4 | 163.3 |
| .600" | 257.7 | 164.2 |
|
| Lift | INT CFM | Flow Gain CFM | EXH CFM w/o pipe | Gain CFM |
| .100" | 72.1 | +4.5 | ------ | ------- |
| .200" | 150.4 | +22.4 | 87.0 | +3.4 |
| .300" | 209.5 | +24.3 | 136.5 | +6.7 |
| .350" | 231.3 | +23.2 | 153.0 | +10.4 |
| .400" | 248.5 | +21.4 | 169.1 | +17.3 |
| .450" | 257.0 | +16.4 | 178.4 | +21.2 |
| .500" | 252.9 | -.8 | 182.2 | +22.9 |
| .550" | 253.2 | -3.2 | 186.6 | +23.3 |
| .600" | 254.4 | -3.3 | 188.7 | +24.5 |
| .650 | 256.4 | +4.2 | 189.8 | +24.9 |
The charts clearly show the mid-range benefit of Hughes Engines' CNC Super Prepped cylinder heads, as air flow is improved on both the intake and exhaust side. What do these numbers equate to? How about 30 to 50 additional tire-frying horsepower, depending on the size and specifications of your small-block.