| Lift | .100 | .200 | .300 | .400 | .450 | .500 | .550 | .600 |
| Unported as Cast Intake | 66 | 121 | 185 | 223 | 229 | 239 | 241 | 242 |
| Unported as Cast Exhaust | 60 | 102 | 141 | 179 | 189 | 197 | 201 | 203 |
| Fox Lake Ported Intake | 67 | 124 | 189 | 227 | 239 | 255 | 263 | 271 |
| Fox Lake Ported Exhaust | 62 | 106 | 143 | 190 | 199 | 205 | 209 | 211 |
All tests performed in super flow 600 flow bench 28″ H20 with A 3.552 bore fixture
Assembled Heads $2,395.00
CNC Ported Heads $3,295.00 (includes all options)
- CNC Ported Intake and Exhaust Ports
- Installed Bronze Guides
- Diamond honed guides to size
- Light clean up cut on cylinder head deck
- Tip valves for proper lash
- Clean and assemble